Weather in Dublin in August (Need-to-Knows)

The weather in Dublin in August tends to be good.

However, as we say in every single guide to the weather in Dublin – always plan for the unexpected.

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

Below, you’ll discover everything you know, from rainfall in August in Dublin to plenty more.

Some quick need-to-knows about the weather in Dublin in August

OK, let’s get you up-to-speed nice and quickly. The points below will give you a quick insight into the weather in Dublin in August:

1. The season

June, July and August are summer in Dublin. The kids are on their summer holidays and tourist numbers, flight prices and the cost of hotels in Dublin are at their highest.

2. The weather in general

Although August is one of the best months to visit Dublin, the weather can be unpredictable. In years past, we’ve seen heatwaves in August and stormy weather, too. More info below.

3. Average temperatures

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

4. Plenty of daylight

Weather aside for a moment, one of the beauties of this month is the long days. At the start of the month the sun rises at 05:41 and it sets at 21:20. This makes planning your Ireland itinerary much easier.

5. Lots to do

We go into the various things to see and do in our guide to August in Dublin, but at a glance there are heaps of festivals in Ireland running in this month and there’s endless things to do in Dublin to choose from.

The average temperature in Dublin in August

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

Now, this can vary quite a bit year to year, so I’ll pop in a chart comparing recent years from different 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	2022	2021	2020
Dublin	15.5°C/59.9°F	15.6°C/60.08°F	15.6°C/60.08°F
Galway	15.9°C/60.62°F	14.7°C/58.46°F	14.7°C/58.46°F
Cork	17.1°C/62.78°F	15.8°C/60.44°F	15.8°C/60.44°F
Kerry	16.2°C/61.16°F	15.7°C/60.26°F	15.7°C/60.26°F

The table above will give you a sense of the average temperature in Dublin, Galway, Cork and Kerry over the last number of years.

As you can see, the average temperature in Dublin in August is fairly steady across the different years and in the various counties.

Rain in Dublin in August (measured in mm)

County	2022	2021	2020
Dublin	34.6	65.3	87.1
Galway	79.6	84.8	109.8
Cork	12.0	66.2	159.8
Kerry	68.6	89.1	219.7

We get asked ‘Does in rain in Dublin in August?’ quite a bit. The answer is yes, yes it does (see our guide on what to wear in Ireland in August).

However, it rains considerably less during August than it does in the other months of the year.

Now, it’s also worth noting that certain parts of Dublin, usually the west coast, get more rainfall than the east coast. This can be seen in the figures in the table above.

FAQs about the weather in Dublin in August

We’ve had a lot of questions over the years asking about everything from ‘Does it snow in Dublin?’ (yes… really) to ‘Does it rain in 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.