Weather in Ireland in May 2026: The Complete Travel Guide to Ireland’s Best Month
May is genuinely the best kept secret in Irish travel and I say that as someone who has spent time on this island across multiple seasons. The crowds of summer have not yet arrived, the days are extraordinarily long with light until almost ten at night, the countryside is at its most vivid green, and the festival calendar is fuller than almost any other month of the year.
The Irish themselves will tell you that May is their favorite month. The weather is as good as it gets without the school holiday chaos of July and August, prices have not yet hit their summer peak, and the atmosphere in the pubs, on the trails, and along the coast has a particular energy that feels like the whole country is waking up and celebrating being alive.
In this guide I cover everything you need to know about visiting Ireland in May: the weather region by region, the best things to do, the festivals worth planning around, what to pack, and honest practical advice to help you make the most of one of Europe’s most rewarding travel destinations in its finest month.
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Ireland in May: Key Facts
| Average daytime high | 15°C (59°F) |
| Average overnight low | 7°C (45°F) |
| Sunshine hours per day | 6 to 7 (sunniest month of the year) |
| Sea temperature | Around 10°C (50°F) |
| Daylight hours | 15 to 16.5 hours |
| Rainfall | 50 to 70mm depending on region |
| Season | Late shoulder to early summer |
| Bank holidays | First and last Monday of May |
| Best for | Festivals, hiking, coastal drives, gardens |
| Crowds | Moderate, significantly less than summer |
Visiting Ireland in May at a glance
🌤️ Weather
May is the sunniest month of the year in Ireland with an average of 6 to 7 hours of sunshine daily, more than any other month. The weather is mild and increasingly summer-like but remains characteristically unpredictable.
The east coast around Dublin is drier and slightly warmer than the Atlantic-facing west, where Galway and Kerry see more wind and rainfall off the ocean. Late May in particular can feel genuinely summery on good days.
☀️ Sunshine Hours
Approximately 6 to 7 hours of sunshine per day on average, making May the brightest month of the Irish year. The west coast sees slightly less due to Atlantic cloud cover but sunny spells between showers can be spectacular.
🌡️ Average Temperatures
Average daytime highs of 15 degrees Celsius (59°F) with overnight lows around 7 degrees Celsius (45°F). Late May can reach 17 to 18 degrees Celsius (63 to 64°F) on the best days. May is officially considered the first summer month in Ireland by Met Éireann.
💨 Wind
Wind remains a factor particularly on the Atlantic coast and cliff tops along the Wild Atlantic Way. A windproof layer is recommended for coastal walks and exposed headlands even on otherwise warm days.
🌊 Sea Temperature
The average sea temperature around Ireland in May is approximately 10 degrees Celsius (50°F). This is still cold for casual swimming without a wetsuit but noticeably warmer than April. Brave wild swimmers and surfers use the Atlantic coast year-round.
📅 Season
May sits between the shoulder and early summer season. Crowds are noticeably larger than in April but significantly smaller than July and August. Prices are higher than April and rising toward summer rates. The two bank holidays, the first and last Monday of May, bring short domestic travel spikes that can affect accommodation availability and prices in popular areas. Book in advance particularly for bank holiday weekends.
🕐 Daylight Hours
May offers extraordinary daylight. At the start of the month, sunrise is around 5:51 am, and sunset is around 8:53 pm, giving over 15 hours of brightness. By the end of May, sunset pushes close to 9:30 pm, and daylight stretches to 16.5 hours. This is one of May’s greatest practical advantages for visitors and one that sets it apart from every other shoulder season month.
The pros and cons of May in Ireland
👍 The pros
✔️ The Sunniest Month of the Year May is statistically the sunniest month in Ireland, averaging 6 to 7 hours of sunshine per day, more than any other month including July and August. Combined with average daytime temperatures of 15 degrees Celsius (59°F) this makes May the best overall weather month on the Irish calendar.
✔️ Extraordinary Daylight Hours By mid-May the sun rises around 5:30am and does not set until around 9:30pm, giving you up to 16 hours of daylight to explore. This is one of May’s greatest practical advantages and something that genuinely transforms the experience of being in Ireland compared to the shorter days of spring and autumn.
✔️ One of the Driest Months May sees significantly less rainfall than the autumn and winter months. While rain is always possible in Ireland, May is statistically one of the drier months of the year, giving you a considerably better chance of dry days than you would have in October, November, or March.
✔️ The Landscape at Its Most Beautiful May is when Ireland truly earns the name Emerald Isle. The countryside is at its most vivid green, wildflowers bloom across clifftops and fields throughout the Wild Atlantic Way, and Ireland’s great historic gardens including Powerscourt in Wicklow and Mount Usher are at their seasonal peak.
✔️ Wildlife Season Opens May is when the Skellig Islands season begins for puffin watching and the Skellig Michael landing tours start on May 11th. Whale watching season also opens with minke whales, common dolphins, and harbour porpoises all active off the southwest coast. Basking sharks appear in Irish waters from May onward. These are uniquely May experiences that April cannot offer.
✔️ The Richest Festival Calendar of the Year May has more festivals than almost any other month in Ireland. Fleadh Nua in Ennis, the Kilkenny Roots Festival, the Ballydehob Jazz Festival, the International Literature Festival Dublin, the Bealtaine Fire Festival, the Dublin Dance Festival, and the Open Ear Festival in West Cork all fall within the month. There is genuinely something happening somewhere in Ireland every single weekend of May.
✔️ Pre-Summer Prices and Crowd Levels May offers a noticeably better experience than June through August at most major attractions. The Cliffs of Moher, Blarney Castle, the Ring of Kerry, and the streets of Killarney and Galway are all manageable and enjoyable in May in a way that July and August simply are not. Prices are meaningfully lower than peak summer rates outside of bank holiday weekends.
✔️ A Genuinely Summery Atmosphere The combination of long evenings, warm sunny afternoons, open beer gardens, festival energy, and the sense that the whole country is coming alive creates an atmosphere in May that feels like the best version of an Irish summer without the school holiday crowds that arrive in late June.
👎 The cons
❌ Higher Prices Than April and March May is more expensive than the earlier shoulder season months. Flights from North America and Europe are higher than in April, and accommodation prices have risen toward summer rates. The gap between May and peak summer is significant, but the gap between May and April is also noticeable, particularly in popular areas like Kerry and Galway.
❌ Bank Holiday Weekend Price Spikes The two bank holidays on the first and last Monday of May cause sharp price spikes and availability crunches in popular areas. Accommodation in Kerry, Galway, Kilkenny, and coastal Clare can sell out weeks in advance for these weekends. If your dates coincide with a bank holiday weekend book everything as far in advance as possible.
❌ Crowds at Popular Sites on Bank Holiday Weekends Midweek travel in May outside of bank holiday weekends is still very comfortable at most attractions. However the bank holiday weekends bring significant domestic travel volume to popular coastal and rural areas. The Cliffs of Moher, Blarney Castle, and the Ring of Kerry can feel genuinely busy on these weekends.
❌ The Atlantic Coast Can Still Be Cold and Windy The west coast in May does not always feel like the sunny month the statistics suggest. Exposed headlands and cliff paths in Galway, Mayo, Clare, and Donegal can have days that feel much more like March, with cold Atlantic wind and driving rain. Always pack a windproof waterproof layer for the west coast regardless of the forecast.
❌ Weather Remains Unpredictable May is the sunniest month but Ireland can still deliver full cold wet spells of several days at any point. If you are unlucky with the timing of a low-pressure system you can experience genuinely unpleasant weather during what is statistically a good month. Building flexibility into your itinerary and having good indoor options as backup plans is always advisable in Ireland regardless of month.
❌ Skellig Islands Booking Pressure The start of the Skellig Michael landing season on May 11th coincides with significant demand from travelers specifically targeting early-season puffin watching. The extremely limited number of boat licenses means May spaces can sell out months in advance. If the Skelligs are a priority for your trip book the moment you confirm your dates.
The weather in Ireland in May in different parts of the country
📍 Dublin and the East Coast
Dublin in May is the most reliably pleasant part of Ireland weather-wise. Average daytime highs reach 15 degrees Celsius (59°F) with overnight lows around 7 degrees Celsius (45°F). The east coast receives less rainfall than the west, averaging around 55mm in May, and enjoys approximately 6 hours of sunshine per day making it the best performing major city in Ireland for May weather. The long evenings with light until nearly 10pm transform the city, with outdoor seating, evening walks along the seafront, and a genuinely summery atmosphere.
📍 Belfast and Northern Ireland
Belfast in May sees very similar conditions to Dublin with average highs of around 15 degrees Celsius (59°F) and approximately 50mm of rainfall, making it one of the drier regions of Ireland in May. The Causeway Coastal Route between Belfast and the Giant’s Causeway is spectacular in May before summer traffic builds and the long evenings give you extended time to explore. The coastal landscape of Antrim and the dramatic cliffs at Fair Head are at their most beautiful in the spring light of May.
📍 Galway and the West
The west of Ireland is wetter and windier than the east at any time of year and May is no exception. Average daytime highs in Galway reach around 14 degrees Celsius (57°F) but the Atlantic winds can make it feel noticeably cooler on exposed coastal areas. Rainfall averages around 53mm in May and sunshine hours are slightly lower than on the east coast. That said, May is still significantly better than the winter months and the west coast landscape in May light, green and dramatic against the Atlantic, is extraordinary. Always pack a windproof layer for any day spent on the Aran Islands, the Cliffs of Moher, or the Connemara coast.
📍 Kerry
Kerry is one of the wetter parts of Ireland due to its exposed southwestern position but the landscape rewards every drop of rain with extraordinary lushness. Average highs in May are around 14 to 15 degrees Celsius (57 to 59°F) with rainfall around 59mm. The Dingle Peninsula and the Ring of Kerry in May light, particularly in the long late evenings, are among the most beautiful landscapes in Europe. The puffin watching season on the Skellig Islands also begins in May making this a particularly strong month for Kerry specifically.
📍 Cork
Cork in May is mild and pleasant with average highs around 15 degrees Celsius (59°F) and an average low of 8 degrees Celsius (46°F). Rainfall averages around 70mm, slightly higher than Kerry, but the city itself and the surrounding countryside of West Cork are beautiful in May. The West Cork coastal villages, the Mizen Head peninsula, and the whale watching season opening out of Courtmacsherry and Baltimore make Cork an excellent May destination.
Festivals and Events in Ireland in May
🎊 Fleadh Nua, Ennis, County Clare
Fleadh Nua is one of the most celebrated traditional Irish music festivals in the country, held annually in the beautiful town of Ennis in late May. The streets of Ennis fill with musicians, dancers, and singers performing everything from sean-nós singing to céilí dancing across multiple stages and venues throughout the town.
For anyone who wants to experience authentic Irish musical culture rather than a tourist-facing performance this is genuinely unmissable.
🎊 Kilkenny Roots Festival
Held over the May bank holiday weekend in Kilkenny, the Roots Festival is Ireland’s premier Americana, roots, and country music festival. The medieval streets and intimate venues of Kilkenny create an extraordinary backdrop for performances that draw artists from Ireland, the UK, and North America.
Combining this festival with a visit to Kilkenny Castle and the medieval city makes for one of the best May weekend trips in Ireland.
🎊 WellFest Dublin
WellFest is Ireland’s largest health and wellness festival held in the Phoenix Park in Dublin in May. It brings together fitness experts, wellness speakers, yoga practitioners, and health brands for a full weekend of classes, talks, and experiences. It is one of the fastest growing festivals in Ireland and draws a significant international attendance.
🎊 North West 200, Northern Ireland
The North West 200 is one of the world’s most famous motorcycle road races, held on public roads along a triangular course between Portrush, Portstewart, and Coleraine in Northern Ireland every May.
It is the largest outdoor sporting event on the island of Ireland, attracting over 150,000 spectators and some of the fastest motorcycle racers in the world. Even for non-motorsport fans the atmosphere along the course is extraordinary and the Causeway Coast setting is spectacular.
🎊 Birr Festival of Music — 1 to 5 May, Birr, County Offaly
Established in 2016, the Birr Festival of Music has quickly built a reputation as one of the most charming classical music festivals in Ireland.
Held in the beautiful Georgian town of Birr over five days at the start of May, the festival blends indoor concerts in historic venues with outdoor performances, street pop-ups, workshops, and masterclasses featuring both Irish and international performers.
The intimate scale of Birr as a town makes this festival feel genuinely personal rather than corporate, and the surrounding Birr Castle Demesne, one of Ireland’s great historic gardens, provides a spectacular backdrop.
🎊 Bealtaine Festival — throughout May, nationwide
Bealtaine is unlike any other festival in Ireland because it takes place across the entire country for the whole month of May rather than in a single location over a weekend. It is Ireland’s national celebration of creativity as we age, an initiative of Age and Opportunity, and it brings together music, dance, theatre, visual art, workshops, and exhibitions in communities, galleries, libraries, care settings, and public spaces across every county.
The ancient Celtic festival of Bealtaine marks the beginning of summer and the name is shared by this nationwide arts celebration deliberately to signal renewal and the arrival of a new season. For visitors traveling through Ireland in May, you are almost certain to encounter a Bealtaine event in whatever town or village you pass through.
The Bealtaine Fire Festival at the Hill of Uisneach in County Westmeath on 9 and 10 May is a separate and more concentrated event connected to the same cultural moment. Uisneach is considered the spiritual and mythological centre of Ireland and the fire festival here is one of the most atmospheric and genuinely ancient-feeling events on the Irish calendar, with a massive ceremonial bonfire, live music, guided walks, storytelling, and a weekend camping experience in the Irish countryside.
🎊 Dublin Dance Festival — 30 April to 16 May, Dublin
Dublin Dance Festival is one of the most important contemporary dance events in Europe, running for over two weeks across multiple venues throughout Dublin city.
The festival brings together Irish and international choreographers and companies for performances ranging from intimate studio shows to large-scale productions at the National Concert Hall and other major venues.
It also includes workshops, outdoor experiences, and free events that bring dance into public spaces across the city. For visitors who want to experience Dublin’s contemporary arts scene rather than the more traditional cultural offerings, this festival is one of the highlights of the May calendar.
🎊 West Wicklow Chamber Music Festival — 8 to 18 May, County Wicklow
The West Wicklow Chamber Music Festival brings some of the finest chamber musicians from Ireland and internationally to a series of stunning historic venues in County Wicklow, including the magnificent Russborough House, one of Ireland’s greatest Palladian country houses, and St Mary’s Church in Blessington.
The combination of world-class music in intimate and architecturally extraordinary settings makes this one of the most distinctive festivals in Ireland in any month. Wicklow’s lush May landscape adds considerably to the experience of traveling between venues.
🎊 International Literature Festival Dublin — 16 to 25 May, Dublin
The International Literature Festival Dublin has been celebrating books and writers since 1998 and is one of the most significant literary events in Europe.
Held across ten days in late May, the festival brings together some of the world’s most celebrated authors for readings, conversations, debates, and performances at venues throughout the city.
It also includes guided walks, screenings, podcasts, and broadcasts, and many events are free or very affordable. For book lovers, planning a Dublin visit around this festival in late May is one of the best Ireland travel decisions you can make.
🎊 Blackwater Valley Opera Festival — County Waterford
The Blackwater Valley Opera Festival is one of Ireland’s most unique cultural events, staging four full opera productions at the dramatic Lismore Castle in County Waterford over eight days.
The combination of grand opera performed in a genuine medieval castle setting along the beautiful Blackwater Valley is genuinely extraordinary.
The festival also includes classical recitals, concerts, and free events at various historic houses and venues throughout the valley. Dates for 2026 should be confirmed on the official festival website before you travel.
🎊 Listowel Writers’ Week — County Kerry
Listowel Writers’ Week is one of Ireland’s oldest and most beloved literary festivals, held in the small County Kerry town of Listowel which has produced a remarkable number of writers relative to its size. Writers, poets, playwrights, and artists gather for a week of readings, workshops, performances, and discussions that celebrate writing across all genres.
The festival has a warmly informal atmosphere, and the town of Listowel itself, with its ornate façades and literary heritage, is a pleasure to explore. Check the official website for 2026 dates as these are confirmed closer to the festival.
🎊 AVA Festival — Belfast
AVA is an Audio Visual Arts festival held at the Titanic Slipways in Belfast, one of the most historically resonant industrial spaces in the world. The festival celebrates electronic music, visual art, and technology, and in 2026 marks its tenth anniversary making it a particularly significant edition.
The combination of cutting-edge electronic music programming with the extraordinary industrial architecture of the Titanic Quarter creates an atmosphere unlike anything else in Ireland. This is a festival worth traveling to Belfast specifically for. Check the official AVA website for 2026 dates.
🎊 Open Ear Festival — Sherkin Island, County Cork
The Open Ear Festival takes place on Sherkin Island, a small inhabited island off the coast of West Cork accessible by a short ferry from Baltimore. It describes itself as the freshest and most adventurous music festival in Ireland and its programming consistently delivers experimental, leftfield, and genuinely surprising music across multiple outdoor and indoor stages on the island.
The setting is spectacular, and the festival has a genuinely communal and intimate atmosphere that larger mainland festivals cannot replicate. Tickets and ferry places sell out quickly, so book as early as possible. Check the official website for 2026 dates.
🎊 Doonbeg Jazz Festival — Doonbeg, County Clare
The Doonbeg International Jazz Festival celebrates its 25th anniversary in 2026, making it a milestone edition.
The festival takes place in the beautiful coastal village of Doonbeg in County Clare over the May bank holiday weekend, with several bands from across Ireland and the UK performing along the coastline and in local venues.
It is a genuinely community-rooted festival with a warm and accessible atmosphere and the setting on the Clare coast is wonderful. The 25th anniversary edition promises to be the most ambitious yet.
Things to do in Ireland in May
Chelsea Flower Show equivalent: Irish open gardens
May is when Ireland’s great historic gardens open for their main season. Powerscourt Estate in Wicklow, Kilruddery House, Mount Usher Gardens, and Anne’s Grove in Cork are all at their most spectacular in May with spring blooms, rhododendrons, and early summer color.
Kayaking and coastal water sports
May’s improving sea conditions and longer days make it the first genuinely practical month for kayaking and paddleboarding along the Wild Atlantic Way. Several operators along the Dingle Peninsula, Connemara, and Achill Island offer guided sea kayaking tours from May onward.
📝 Go Whale and Dolphin Watching
May marks the beginning of the whale and dolphin watching season in Ireland and the timing could not be better for a May visitor. Ireland’s coastal waters were designated Europe’s first whale and dolphin sanctuary in 1991 and 25 species of cetaceans have been recorded in Irish waters, making it one of the best whale watching destinations in Europe.
What you can see in May
May is prime season for minke whales, which begin appearing off the southwest coast from early summer onward. Bottlenose dolphins and common dolphins are active throughout May, as are harbour porpoises.
Humpback whales, the most acrobatic and dramatic species, arrive from May onward with peak sightings in July and August, but early season sightings in May are increasingly common.
Basking sharks, the world’s second-largest fish, also appear in Irish waters from May onward and are frequently spotted on whale-watching boat trips.
Best locations
West Cork is the undisputed whale watching capital of Ireland. The waters around Courtmacsherry, Kinsale, and the Union Hall area near Reen Pier are among the most productive cetacean habitats in Europe.
Atlantic Whale and Wildlife Tours operates from Courtmacsherry and offers dedicated wildlife tours led by highly knowledgeable guides. Baltimore Sea Safari in Baltimore, West Cork, is another excellent operator.
Dingle Bay in County Kerry is outstanding for dolphin watching and has a resident bottlenose dolphin population. Blasket Islands Eco Marine Tours offer four-hour boat trips around the Blasket Islands and Dingle Bay with the chance to see minke whales, dolphins, seals, and puffins in one trip.
The Shannon Estuary, accessible from County Clare, is home to a resident population of over 150 bottlenose dolphins around Carrigaholt near Loop Head, making it one of the most reliable dolphin watching locations in Ireland with multiple operators running tours.
For land-based whale watching, the cliffs and headlands of Donegal and Mayo offer excellent vantage points particularly for fin whales later in the season. The Cliffs of Moher and the Loop Head Peninsula in Clare are also productive shore-based locations.
Practical notes
Sightings are never guaranteed with wild animals. Boat trips can be cancelled due to Atlantic weather so always build flexibility into your itinerary and book with operators who offer refunds for weather cancellations. Dress in layers as it is always significantly colder on the water than on land. Book in advance as popular operators fill up quickly in May.
Puffin Watching in Ireland in May
📝 See Puffins on the Skellig Islands
May is one of the absolute best months to see Atlantic puffins in Ireland. The puffins arrive on the Skellig Islands and other coastal colonies in April, and by May, the colony is fully established with thousands of birds. The best time for reliable sightings is late May through July when the breeding season is at its most active. After mid-August, the puffins begin heading back out to the open Atlantic, and numbers decline rapidly.
Skellig Michael, County Kerry
Skellig Michael is the most famous and most spectacular puffin-watching location in Ireland and one of the most extraordinary wildlife experiences in Europe. Located approximately 12 kilometers off the coast of County Kerry, this UNESCO World Heritage Site is home to a colony of between 7,000 and 8,000 Atlantic puffins, as well as over 27,000 pairs of northern gannets on the adjacent Little Skellig, the second-largest gannet colony in the world.
The island also contains a remarkably preserved 6th century monastic settlement of stone beehive huts perched on the clifftop that was famously used as a Star Wars filming location.
There are two ways to visit the Skelligs. The Skellig Michael Landing Tour allows you to disembark on the island, climb the 618 ancient stone steps to the monastery, and spend approximately two and a half hours exploring.
This tour requires a reasonable level of fitness, appropriate footwear, and is not suitable for children under 14. The 2026 landing season runs from 11 May to 30 September. The Skellig Eco Boat Tour stays on the water and circles both islands getting close to the wildlife and the historic sites. This runs from April through October and is suitable for all ages. Tickets start from approximately €60.
You can read more about all the Skellig Island tours in my dedicated post.
Boats depart from Portmagee and on a smaller scale from Ballinskelligs. Only 13 boat licenses are granted each year and each operator runs a single landing trip per day, meaning spaces are extremely limited. Book as far in advance as possible, ideally months ahead for May travel.
The crossing takes approximately one hour and the Atlantic can be rough, so boat trips are sometimes cancelled due to weather. Always plan spare days in Kerry around your Skellig booking.
Other puffin locations in May
The Saltee Islands off the Wexford coast are one of the few east coast locations to see puffins and are accessible by private charter from Kilmore Quay. Rathlin Island off the Antrim coast in Northern Ireland has a significant puffin colony and the West Light Seabird Centre run by the RSPB is an excellent facility for wildlife viewing.
The Cliffs of Moher in County Clare have a growing puffin population on the adjacent Goat Island promontory, best spotted from early morning or evening with binoculars from the clifftop path.
📝 Discover Dublin’s Many Landmarks
May is the perfect time to explore Dublin due to the weather getting milder and pleasant.
While in Dublin, you can start your adventure by visiting the iconic Dublin Castle, a marvel of medieval architecture and a symbol of Irish heritage. The castle features ancient elaborate halls and beautiful gardens.
After wandering through the castle, be sure to also make a stop at Trinity College, Ireland’s oldest university, where you can marvel at the breathtaking Book of Kells, a beautifully illustrated manuscript from the ninth century.
For art enthusiasts, the National Gallery of Ireland houses an impressive collection of Irish and European masterpieces.
Also, don’t miss a visit to the Guinness Storehouse, a must-see attraction where you can learn about the history of Ireland’s most famous beer and enjoy a pint while taking in panoramic views of Dublin from Gravity Bar.
📝 Explore Ireland’s Hiking Trails
Ireland’s lush and picturesque landscapes have a multitude of exciting hiking trails that, with May’s mild weather and longer days, can easily be explored and offer stunning views.
For instance, the famous Wicklow Way, stretching across the Wicklow Mountains, is a popular choice for nature lovers. It is a 131-kilometer trail taking you through breathtaking scenery, including glacial valleys, spectacular waterfalls, and ancient forests.
For a coastal experience, the Cliffs of Moher Coastal Walk in County Clare will leave you awe-inspired with its sheer cliffs and panoramic ocean vistas.
Another must-visit is the Giant’s Causeway in Northern Ireland, where you can marvel at the intriguing hexagonal stone formations as you hike along the dramatic coastline.
📝 Visit the Giant’s Causeway and the Causeway Coastal Route
May is one of the best months to visit Northern Ireland’s most famous attraction. The UNESCO World Heritage basalt columns of the Giant’s Causeway are extraordinary at any time of year, but in May, the coastal heathland surrounding them blooms with wildflowers, the light is exceptional, and the summer crowds have not yet arrived.
The broader Causeway Coastal Route between Belfast and Derry is one of the most spectacular coastal drives in Europe, passing the Dark Hedges, Carrick-a-Rede Rope Bridge, Dunluce Castle, and the cliffs of Antrim.
Rathlin Island off the coast near Ballycastle also has a significant puffin colony accessible by ferry in May, making this a genuinely outstanding wildlife and scenery combination for a May road trip in Northern Ireland.
📝 Visit Fascinating Historical Sites
If you’re a history buff, you’re in luck, as Ireland has many fascinating sites.
You can start your journey by exploring the ancient ruins of Newgrange, a prehistoric monument older than Stonehenge, and the Egyptian pyramids. Specifically, Newgrange is an awe-inspiring passage tomb built around 3200 BC.
For a fairytale-like journey, take a trip to the mystical and captivating Blarney Castle in County Cork, where you can kiss the famous Blarney Stone for the gift of eloquence.
For those interested in Ireland’s medieval past, explore the Rock of Cashel in County Tipperary, a stunning collection of medieval buildings perched on a hilltop.
Lastly, don’t miss the chance to visit Kilmainham Gaol in Dublin, a former prison that is now a museum that recounts the struggles and sacrifices of Irish independence.
📝 Enjoy a Cold Pint at a Local Pub
In May, as the weather starts to warm up, there’s nothing quite like sitting in a cozy pub with a pint of Guinness or a refreshing Irish ale.
Whether you’re exploring the cobblestone streets of Dublin, the vibrant city of Galway, or the quaint villages of the countryside, you’ll find pubs galore offering a warm Irish welcome from the friendly locals, lively traditional Irish music, and delicious pub grub that goes perfectly with a cold pint.
📝 Set Off on a Road Trip
With the weather starting to warm up and the countryside blossoming with vibrant colors, May is the perfect time to hit the open road.
A fantastic road trip is a journey along the breathtaking Wild Atlantic Way, which offers stunning landscapes of rugged cliffs with dramatic ocean views, picturesque villages, and hidden beaches.
If you prefer a more cultural experience, head to the Ancient East region, where you can discover Ireland’s ancient history through its historic castles, monastic sites, and mysterious ruins.
Overall, with charming towns, towering mountains, and serene lakes waiting to be explored, a road trip in Ireland offers the freedom to create your itinerary and immerse yourself in the country’s natural beauty.
📝 Admire the Medieval City of Kilkenny
Kilkenny is a beautiful destination that, May, makes it feel even more vibrant. Generally, Kilkenny is an ideal city to step back in time and get a glimpse into Ireland’s rich history.
While in Kilkenny, wander through the narrow, cobbled streets and get ready to discover medieval buildings and landmarks that will transport you to an era long gone.
Visit the iconic Kilkenny Castle, a magnificent structure with stunning gardens showcasing the country’s architectural grandeur. Furthermore, take a stroll along the River Nore to immerse in the city’s beauty.
Additionally, explore the charming shops, art galleries, and traditional pubs that line the city center, as they offer a taste of local culture and traditional Irish hospitality.
📝 Stroll Along the Beach
With milder temperatures and longer daylight hours, it’s the perfect time to sink your toes into the sandy shores and enjoy the soothing sounds of the waves.
From the sandy coastline of Donegal to the breathtaking beauty of the Dingle Peninsula, Ireland offers a diverse range of coastal landscapes.
Take a leisurely walk along the Dollymount Strand along the Bull Island Nature Reserve in Dublin, marveling at the panoramic views of Dublin Bay and the iconic Poolbeg Chimneys. Or, discover the picturesque beauty of the pristine Blue Flag beaches in County Kerry, where you can dip your toes in the pristine waters and bask in the tranquility of the surroundings.
What to pack for Ireland in May
May packing follows the same layering principle as April but with slightly more flexibility for warmer days. The sunniest month of the Irish year can deliver genuinely warm afternoons toward the end of the month, particularly in the south and east, but the Atlantic coast and evenings remain cool.
Your non-negotiables are a genuinely waterproof jacket with a hood, two or three warm mid-layers, long-sleeved base layers, waterproof walking shoes or boots, and a compact umbrella for city days. Add sunglasses and a light sunscreen for the bright spells which in May can be surprisingly strong.
By late May you can add one or two lighter tops and potentially a pair of shorts for warm afternoon spells, particularly if you are spending time in Dublin or the southeast. The west coast remains windier and cooler than the east regardless of the calendar date so always pack a windproof layer for Galway, Kerry, and the Wild Atlantic Way.
A Type G travel adaptor is essential for visitors from outside the UK or Ireland. A portable power bank, reusable water bottle, and small day pack complete the practical essentials.
👉 For the complete May packing list, read my full guide to what to pack for Ireland in spring.
Ireland in May Travel Tips
Book bank holiday weekends well in advance
The two May bank holidays on the first and last Monday of May are among the busiest domestic travel weekends of the year in Ireland. Accommodation in Kerry, Galway, Clare, and Kilkenny can sell out weeks ahead. If your visit overlaps with a bank holiday weekend book everything as early as possible.
Drive counterclockwise on the Ring of Kerry
All organized tourist coaches drive the Ring of Kerry clockwise. Drive it counterclockwise to have the road largely to yourself and to pull into viewpoints without a queue of coaches behind you.
Book Skellig Michael as early as possible
The 2026 Skellig Michael landing season opens on May 11th. Only 13 boat licenses operate and each runs one landing trip per day meaning spaces are extremely limited. If the Skelligs are a priority for your trip book the moment you confirm your travel dates. Even the Eco Boat Tour, which stays on the water, books up quickly in May.
Pay the M50 toll before 8pm
If you drive on Dublin’s M50 ring road you must pay the barrier-free toll online at eflow.ie before 8pm the same day. If you are renting a car the charge plus a significant administration fee will be added to your credit card by the rental company if you forget. Set a phone reminder the moment you use the road.
Carry cash for small purchases
Most hotels, restaurants, and attractions are fully cashless but smaller rural cafes, craft market stalls, traditional pubs, and some car parks in rural areas still prefer cash. Carry 50 to 100 euros in small notes and use ATMs in larger towns to top up.
Check Gaeltacht road signs before you drive
If your road trip takes you through Irish-speaking Gaeltacht areas in the west, particularly in Connemara, Donegal, and parts of Kerry and Mayo, road signs are in Irish only. Download Google Maps offline for your travel areas before you leave your accommodation each morning as the Irish place names can be very different from their English equivalents.
Plan for the west coast weather separately
Do not assume that a warm Dublin day means the same conditions on the Atlantic coast. The Wild Atlantic Way in May can be spectacular or brutal depending on the day. Check the Met Éireann forecast specifically for your coastal location rather than relying on a general Ireland weather app.
Take the DART for Dublin Bay
Dublin’s coastal rail line runs from Malahide in the north to Greystones in the south and in May the seaside villages along Dublin Bay including Dún Laoghaire, Dalkey, and Greystones are delightful in the long evenings. A DART day ticket gives you unlimited travel on the entire line and is one of the best value and most enjoyable ways to spend a May afternoon and evening in the Dublin area.
Is May Better Than April or June for Visiting Ireland?
May beats April on almost every metric that matters for a visitor. It is warmer, sunnier, has more festivals, more daylight, and the Skellig Islands boat trips begin. The trade-off is higher prices and more visitors than April, and the loss of the lambing season which is one of April’s most charming experiences.
June is warmer and even more summery than May but comes with a noticeable jump in both prices and crowds as the European school holiday season begins. Accommodation in popular areas like Kerry and Galway becomes significantly more expensive in June and the most famous sites like the Cliffs of Moher and Blarney Castle get considerably busier. May gives you approximately 90 percent of the June experience at a meaningfully lower cost and with more breathing room.
For most travelers May is the single best month to visit Ireland. The combination of good weather, long days, manageable crowds, a full festival calendar, and prices that have not yet hit their summer peak is difficult to beat anywhere in the calendar year.
Visiting Ireland in May: Frequently Asked Questions
Is May a Good Time to Visit Ireland?
May is arguably the best month of the year to visit Ireland. It is statistically the sunniest month, with more hours of sunshine per day than even July and August. The days are extraordinarily long, stretching to almost 16.5 hours of daylight by late May. Crowds are significantly smaller than in summer and prices, while higher than April, have not yet reached their peak. The festival calendar is one of the fullest of the year and the Irish countryside is at its most vividly green.
What is the Weather Like in Ireland in May?
May brings mild and increasingly summery conditions across Ireland. Average daytime temperatures reach around 15 degrees Celsius (59°F) with overnight lows around 7 degrees Celsius (45°F). May is the sunniest month of the Irish year with approximately 6 to 7 hours of sunshine per day. Rain is still possible on any day but May is one of the drier months of the year. The west coast in Galway and Kerry sees more wind and rain than the east coast around Dublin.
How Should I Dress in Ireland in May?
Layering is essential. Pack a genuinely waterproof jacket as your outer layer, two or three wool or fleece mid-layers, long-sleeved base layers, and waterproof walking boots or shoes. For late May visits add one or two lighter tops for warm afternoons. Always carry a compact umbrella for city days. On exposed coastal walks and cliff paths a windproof layer is important regardless of how warm the morning feels. Full packing details are in my complete spring packing guide linked above.
Is Ireland Crowded in May?
Noticeably more crowded than April but significantly quieter than July and August. The two bank holidays on the first and last Monday of May create short domestic travel spikes particularly in popular areas like Kerry, Galway, and the Cliffs of Moher. Outside of bank holiday weekends most attractions are comfortably accessible. Book accommodation in advance for bank holiday weekends as availability in popular areas is limited.
Is May Expensive in Ireland?
May is more expensive than April and March but cheaper than June, July, and August. Flights from North America and Europe are still significantly below their summer peak. Hotels in Dublin offer better value than in high summer. Kerry and Galway accommodation rises in price through May as demand builds. Bank holiday weekends see a noticeable price spike across popular areas. Booking four to six weeks in advance for non-bank-holiday travel gives you access to the best rates.
What are the Best Festivals in Ireland in May?
The highlights are Fleadh Nua in Ennis for traditional Irish music, the Kilkenny Roots Festival for Americana and roots music over the bank holiday weekend, the Bealtaine Fire Festival at the Hill of Uisneach for ancient Celtic culture, and the North West 200 motorcycle race in Northern Ireland for the most dramatic sporting spectacle of the Irish year. The International Literature Festival Dublin and Dublin Dance Festival are also major cultural events.
Can You Visit the Skellig Islands in May?
Yes and May is one of the best months to go. Boat trips to the Skellig Islands operate from approximately April through September weather permitting and May is when the Atlantic puffins arrive on Skellig Michael making it particularly spectacular. The UNESCO World Heritage medieval monastery is accessible by guided climb from the boat landing. Spaces are extremely limited and boats depart from Portmagee and Ballinskelligs in County Kerry. Book as far in advance as possible as trips sell out months ahead.
Is May Better Than June for Visiting Ireland?
For most travelers yes. May offers approximately 90 percent of the June experience at significantly lower prices and with more breathing room at popular attractions. June is warmer but the European school holiday season begins in late June pushing prices and crowds to their summer peak. May gives you the long days, the good weather, the open attractions, and the full festival calendar without the summer premium.
What are the Two Bank Holidays in May in Ireland?
The first Monday of May and the last Monday of May are both public bank holidays in Ireland. On these days expect reduced public transport services, some shop and attraction closures, higher accommodation prices, and more domestic visitors at popular sites. The bank holiday weekends are particularly busy in Kerry, Galway, and Killarney. If your visit coincides with either bank holiday weekend book everything well in advance.
Final Thoughts: Is May a good time to visit Ireland?
May is not just a good time to visit Ireland. It is arguably the best time to visit Ireland, and not enough people know it.
The combination of long extraordinary evenings, the sunniest weather of the Irish year, a festival calendar that runs every single weekend, puffins arriving on the Skellig Islands, wildflowers across the clifftops, and the kind of uncrowded access to the most beautiful places in the country that disappears completely in July and August makes May genuinely special.
The weather will not be perfect every day. This is Ireland and the Atlantic does not follow a calendar. But on the days when May delivers what it can deliver, and there are many of those days, Ireland in May is one of the most beautiful places in Europe.
Pack your waterproofs, book early for the bank holiday weekends, and go.
Before You Go…
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