Weather in Ireland in August

The weather in Ireland in August is still firmly in summer’s grasp, though there’s always a chance of rain — it is Ireland, after all. Temperatures are mild, the days are long, and the landscape is at its greenest. It’s prime time for a road trip along the Wild Atlantic Way, where the coastal views demand plenty of stops (and maybe an ice cream in Dingle). Or stretch your legs with a hike in Glendalough’s Wicklow Mountains, where the valleys look straight out of a fantasy film.

When the weather inevitably turns, duck into a cozy bar for a pint and some live trad music — Galway’s Latin Quarter is perfect for this — or explore Dublin’s indie bookstores and coffee stores. Just don’t forget to pack layers and a rain jacket. Summer here likes to keep you guessing.

Ireland in August at a glance

• Temperatures range from 55°F to 65°F (13°C to 18°C) with the usual chance of rain.
• Lush greenery is at its peak, but early signs of harvest season add a touch of gold to the countryside.
• Tourist spots like the Cliffs of Moher and Giant’s Causeway are lively but manageable before the September slowdown.
• Long summer evenings are perfect for outdoor dining or catching a sunset over the Wild Atlantic Way.
• Rain or shine, cozy up in a traditional bar with live music and a pint of the black stuff.

Is August a good time to visit Ireland?

August is one of the best months to experience Ireland in full summer mode. Temperatures hover between 55°F and 65°F (13°C to 18°C), with the usual mix of sunshine and sudden rain — so pack layers and a trusty rain jacket.

The fields here are at their greenest and the long daylight hours are perfect for walking. Coastal walks such as the Howth Cliff Path or the Dingle Peninsula are stunning in the soft evening light. Although popular spots such as the Cliffs of Moher can still be crowded, the lively atmosphere is part of August's charm.

August is hard to beat if you're looking for classic Irish vibes with a summer twist - festivals, outdoor adventures, and plenty of bar crawls. Just be prepared for unpredictable weather. It's all part of the experience.

Rough Guides tip: read all about the best time to visit Ireland.

Average daily temperatures in August

The weather in Ireland in August is characterized by daytime temperatures between 65°F (18°C) and 55°F (13°C). The weather is mild but notoriously unpredictable, with a mix of sunny days and sudden showers - classic Irish summer conditions.

Here's what you can expect depending on the region:

• Eastern areas such as Dublin and beyond are generally drier, with comfortable temperatures for walking around the city and cooler evenings.
• Western coastal areas such as Galway and County Kerry are slightly cooler, with high temperatures around 63°F (17°C) and plenty of rain, thanks to Atlantic breezes.
• Northern regions experience cooler nights, sometimes dropping to 50°F (10°C) in rural or upland areas.
• Southern regions like Cork and Waterford are the warmest, with maximum temperatures reaching 66°F (19°C), ideal for exploring beaches and coastal villages.

What about the crowd and cost?

August is still summer in full swing in Ireland, so expect plenty of visitors, especially at major attractions like the Cliffs of Moher and the Ring of Kerry. Popular spots can feel busy, but the lively energy is all part of the summer vibe. For quieter experiences, explore smaller towns or less-traveled areas like Achill Island or the Beara Peninsula.

As for costs, August is peak season, so flights and accommodations are at their priciest. Book well in advance to snag deals, and consider staying in guesthouses or self-catering cottages to save a bit. It’s not the cheapest time to visit, but the long days and vibrant atmosphere make it worth it.

Looking for more options for your vacation in August? Find the perfect vacation destination with our top suggestions.

Things to do in Ireland in August

August in Ireland is brimming with energy, offering a mix of summer festivals, outdoor adventures, and scenic beauty at its peak. With longer days and more sights to see, there will be no shortage of things to do on your Ireland itinerary.

Hike the Wicklow Mountains

Enjoy the summer sunshine with a hike in the Wicklow Mountains. Trails like the Spinc Loop in Glendalough offer breathtaking views, serene lakes, and ancient ruins — perfect for a day immersed in nature.

Visit the Aran Islands

Take a ferry to the Aran Islands off the Galway coast. Rent a bike and cycle through stone-walled landscapes, visit Dun Aonghasa, a prehistoric cliff fort, and experience the slower pace of island life.

Experience Galway’s Latin Quarter

Galway’s vibrant Latin Quarter buzzes with street performers, independent stores, and cozy bars. August’s warm evenings make it a great time to grab a seat outdoors and soak up the city’s lively energy.

Explore the Copper Coast

Escape the crowds and explore the Copper Coast in County Waterford. This UNESCO Global Geopark is known for its dramatic cliffs, quiet beaches, and fascinating geology — ideal for a leisurely road trip.

Go sea kayaking

Head to West Cork or Donegal for a sea kayaking adventure. Paddle around hidden coves, sea caves, and dramatic cliffs, with a chance to spot seals or even dolphins.

Festivals and events in Ireland in August

August is festival season in Ireland, with vibrant events celebrating everything from music to heritage. It's the perfect time to soak up the country's energy and join in the fun. Here are a few of the highlights:

• Puck Fair (Killorglin, County Kerry): One of Ireland’s oldest festivals, this quirky three-day event crowns a goat as king. Expect live music, parades, and plenty of local charm.
• Galway Races (Galway): Horse racing meets festival vibes at this week-long event. Dress up, place a bet, and enjoy the electric atmosphere.
• Kilkenny Arts Festival (Kilkenny): This cultural highlight features everything from theater and classical music to visual arts in Kilkenny’s historic venues.

Plan your trip with our Ireland itineraries

If you're planning a trip to Ireland, check out our Ireland itinerary suggestions for ideas on how to spend your time exploring the Emerald Isle.

Browse them to forgo the hassle of having to make your own trip plan.

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