Dublin In August: Weather, Tips + Things To Do

Dublin in August is generally mild, with average temperatures of 15.1°C/59.2°F. Festivals, long days, and a lively summer atmosphere make it one of the best times to visit.

On average, August brings 73.3 mm of rainfall across 17 days, though recent years have varied from very dry to well above normal rainfall.

With sunrise at 05:41 and sunset at 21:20, you’ll still have plenty of daylight to explore (this is why August is one of the best times to visit Dublin), but prices and crowds remain at peak-season levels.

Why trust this guide? I have lived in Dublin for 36 years. This guide contains reliable advice from a local!

Visiting Dublin in August

Although a visiting Dublin in August is pretty straightforward, there are some need-to-knows that’ll make your visit that bit more enjoyable. Below, you’ll find info on the weather in Ireland during this month along with some handy info.

1. The weather

The weather in Dublin in August, as is the case with every month, can be unpredictable, even though it’s still summer in Ireland. In the past, we’ve had storms in August and we’ve had heatwaves.

2. Average temperatures

The LTA (Long Term Average) temperature in Dublin in August 15.1°C/59.18°F with rainfall measuring 73.3mm.

3. Daylight hours galore

At the beginning of the month, the sun rises at 05:41 and it sets at 21:20. This means you’ve heaps of time each day to explore, which will make planning your Ireland itinerary a whole lot easier.

4. It’s peak season, so plan accordingly

The summer season is when demand for hotels in Dublin is at its highest. If you can, start planning your trip to Ireland as far in advance as you can, and book accommodation.

5. Loads to see and do

Plenty of festivals in Ireland run during August, like the Galway Oyster and Seafood Festival. However, festivals aside, there’s endless things to do in Dublin in August, as you’ll discover below.

Fast facts: The pros and cons of August in Dublin

So, there are some advantages and disadvantages to visiting Dublin in August, and I touched on a couple of them above.

I’ve lived in Dublin for 36 years, so the below are based on my own experience (note: you’ll find detailed info on the weather in the next section).

The pros 

• Weather: The LTA (Long Term Average) temperature in Dublin in August 15.1°C/59.18°F with rainfall measuring 73.3mm
• Long days: You’ll have around 16 hours of daylight to explore
• Festivals: Loads of Irish music festivals and food, and cultural events take place (see our Irish festivals calendar)
• Summer buzz: The summer months bring tourists and atmosphere to many towns, villages and cities

The cons

• Prices: Yep – the summer months mean demand for accommodation is high, and the prices follow
• Crowds: Expect to find places like Kilmainham Gaol, Dublin Castle and Trinity College to be busy

The weather in Dublin in August

The average temperature in Dublin in August is generally warm, as you’ll see in the graphic above. 

It is important to note that these temperature ranges can vary considerably from year to year.

Below, you’ll find a comparative analysis of recent years that uses data from various weather stations.

Please note that all of the Dublin in August weather data is via Met Eireann – the Irish Meteorological Service.

A comparison of August weather in Dublin in recent years

County	2025	2024	2023
Dublin	16.2°C/61.16°F	15.4°C/59.72°F	15.4°C/59.72°F
Galway	16.9°C/62.42°F	15.3°C/59.54°F	15.8°C/60.44°F
Cork	16.7°C/62.06°F	14.7°C/58.46°F	15.4°C/59.72°F
Kerry	17.4°C/63.32°F	15.4°C/59.72°F	15.9°C/60.62°F

The LTA (Long Term Average) temperature in Dublin in August 15.1°C/59.18°F with rainfall measuring 73.3mm.

The table above offers a comparison of the average temperature in Dublin in August along with Galway, Cork, and Kerry over the past few years.

As you can see, the average temperature in Dublin in August remains relatively consistent across different years and in various counties.

Rain in Dublin in August

The number of rainy days in Dublin each August tends to sit around 17, but monthly totals can swing from fairly dry to notably wet.

• August 2024 was unsettled, with rainfall above 100 mm at Dublin Airport
• August 2023 was drier, coming in closer to 80% of the long-term average
• August 2022 was wetter than normal, with over 90 mm recorded
• The long-term average for August in Dublin is 17 rain days and 78.3 mm of rainfall

Things to do in Dublin in August

Although it’s still off-season, there’s still endless things to do in Dublin in August, from the many great restaurants in Dublin to hikes, walks, castles and more.

Below, you’ll find the likes of the Jameson Distillery, itineraries you can use and pub recommendations.

1. Have a good itinerary mapped out

The worst thing you can do if you’re spending August in Dublin is to arrive with no clear itinerary.

If you do, the chances are you’ll just waste time while you’re here and (hopefully not) whittle away all of your time in Temple Bar.

We’ve several ready-made options for those of you looking for things to do in Dublin in August, with itineraries ranging from 1 to 5 days:

• 1 day in Dublin
• 2 days in Dublin
• 3 days in Dublin

2. The key attractions

Although we have the ‘main’ things to do in Dublin in August in the itineraries above, here are a few suggestions.

For some of these attractions, like the Storehouse, it’s worth having your ticket booked in advance:

• The Guinness Storehouse
• Trinity College
• Christ Church Cathedral
• St. Patrick’s Cathedral
• The GPO
• Dublin Castle

3. Walks and hikes

One of the more popular things to do in Dublin in August is to walk/hike, especially on those fine days.

There are plenty of walks in Dublin, with something to suit every level of fitness. Here are some of the most popular ones:

• The Howth Cliff Walk
• The Poolbeg Lighthouse Walk
• The Killiney Hill Walk
• The Hellfire Club Walk
• The Ticknock Walk

4. Trad pubs

There are some mighty pubs in Dublin that you can tuck yourself away in for an hour or five.

If you’re looking to see some of the oldest pubs in Dublin, head to the likes of the Brazen Head or the Stag’s Head.

If you want to dodge the touristy pubs in Temple Bar, there’s some great pubs with live music in Dublin, like the Cobblestone.

Or, if you’re looking for a fine pint of the black stuff, see our guide to the best Guinness in Dublin.

What to pack / what to wear in Dublin in August

Although we’ve a detailed guide on what to wear in August in Ireland, I’ll give you the need-to-knows.

For example, if you’re planning on hiking, bring your walking gear. If you plan on fine dining, bring formal wear.

The essentials

• Sun cream
• Comfortable shorts and light trousers for walking in
• T-shirts or light tops for the warm days
• A light waterproof jacket (one that folds up into a pouch ideally)
• Causal clothes for going out in the evening (pubs in Dublin are pretty relaxed)

Are you considering visiting during a different month?

Deciding when to visit Dublin is tough – and anyone that tells you otherwise is talking out of their hole (Irish slang for they’re full of sh…)!

It’s worth taking a bit of time to compare what it’s like here during the other months, as when you visit affects everything from your experience to the cost of a trip to Ireland:

• Dublin in January
• Dublin in February
• Dublin in March
• Dublin in April
• Dublin in May
• Dublin in June
• Dublin in July
• Dublin in September
• Dublin in October
• Dublin in November
• Dublin in December

FAQs about spending August in Dublin

We’ve had a lot of questions over the years asking about everything from ‘Does it rain in August in Dublin?’ to ‘How cold is Dublin in August?’.

In the section below, we’ve popped in the most FAQs that we’ve received. If you have a question that we haven’t tackled, ask away in the comments section below.