Dún Laoghaire Weather in December

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

The climate in Dún Laoghaire during December can be summarized as cool and a little damp.

December is in the winter in Dún Laoghaire and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (38°F) is normal.

Dún Laoghaire weather averages (imperial / metric)
Daytime temperature 8.7°C 47.6°F
Nightly temperature 3.6°C 38.4°F
Average temperature 6.1°C 43°F
Daily sunshine 2 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 17 days
Sea temperature 10.5°C 50.9°F
Humidity 88%
Windspeed 23kph 14 mph

On average December is the wettest month of the year in Dún Laoghaire with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 2 hours of sunshine per day.

December temperatures in Dún Laoghaire

Dún Laoghaire average temperature in December

December rainfall

Dún Laoghaire average rain in December

December hourly sunshine

Dún Laoghaire average rain in December

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 December 2024.

Other monthly averages

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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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