Donegal Weather in December

What's the weather like in Donegal (Ulster) in December 2024?

The climate in Donegal during December can be summarized as cool and wet.

December is in the winter in Donegal and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night 2°C (35°F) is normal.

Donegal weather averages (imperial / metric)
Daytime temperature 7°C 44.6°F
Nightly temperature 1.6°C 34.9°F
Average temperature 4.3°C 39.7°F
Daily sunshine 1.3 hrs
Avg rainfall 173 mm 6.8 ins
Rainy days 24 days
Sea temperature 10.5°C 51°F
Humidity 94%
Windspeed 23.8kph 15 mph

On average December is the wettest month of the year in Donegal with around 173mm 6.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.

On the flip side this corresponds to an average of 1.3 hours of sunshine per day.

December temperatures in Donegal

Donegal average temperature in December

December rainfall

Donegal average rain in December

December hourly sunshine

Donegal 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 Donegal in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Donegal weather stats

Donegal weather statistics
Hottest month: July 17.2°C 63°F
Driest month: April 84mm 3.3ins
Sunniest month: April 5.1hrs
Coldest month: January 6.1°C 43°F
Wettest month: December 173mm 6.8ins
Map showing location of Donegal (54.65, -8.11667) Donegal map pin © Google

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