Dún Laoghaire Weather in August

What's the weather like in Dún Laoghaire (Leinster) in August 2024?

The climate in Dún Laoghaire during August can be summarized as mild and reasonably dry.

August is in the summer in Dún Laoghaire and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 11°C (52°F) is normal.

Dún Laoghaire weather averages (imperial / metric)
Daytime temperature 18.7°C 65.7°F
Nightly temperature 11.3°C 52.3°F
Average temperature 15°C 59°F
Daily sunshine 5.8 hrs
Avg rainfall 70 mm 2.8 ins
Rainy days 16 days
Sea temperature 15.7°C 60.2°F
Humidity 82%
Windspeed 16.2kph 10 mph

On average August is the 6th wettest month of the year in Dún Laoghaire with around 70mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.8 hours of sunshine per day.

August temperatures in Dún Laoghaire

Dún Laoghaire average temperature in August

August rainfall

Dún Laoghaire average rain in August

August hourly sunshine

Dún Laoghaire average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Dún Laoghaire in August 2024.

Other monthly averages

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UV index Best time to go?

Dún Laoghaire weather stats

Dún Laoghaire weather statistics
Hottest month: July 18.8°C 65.8°F
Driest month: April 52mm 2ins
Sunniest month: May 6.8hrs
Coldest month: February 7.6°C 45.7°F
Wettest month: December 94mm 3.7ins
Map showing location of Dún Laoghaire (53.29395, -6.13586) Dún Laoghaire map pin © Google

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