An Muileann gCearr Weather in December
What's the weather like in An Muileann gCearr (Leinster) in December 2025?
The climate in An Muileann gCearr during December can be summarized as cool and a little damp.
December is in the winter in An Muileann gCearr and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night 2°C (35°F) is normal.
| Daytime temperature | 7.7°C 45.9°F |
|---|---|
| Nightly temperature | 1.9°C 35.4°F |
| Average temperature | 4.8°C 40.6°F |
| Daily sunshine | 1.6 hrs |
| Avg rainfall | 95 mm 3.8 ins |
| Rainy days | 19 days |
| Sea temperature | 10.5°C 51°F |
| Humidity | 93% |
| Windspeed | 17.3kph 11 mph |
On average December is the 3rd wettest month of the year in An Muileann gCearr with around 95mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.6 hours of sunshine per day.
December temperatures in An Muileann gCearr
December rainfall
December hourly sunshine
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 An Muileann gCearr in December 2025.
Other monthly averages
Best places to visit in December
An Muileann gCearr weather stats
| Hottest month: | July | 18.9°C 66°F |
|---|---|---|
| Driest month: | April | 60mm 2.4ins |
| Sunniest month: | May | 5.7hrs |
| Coldest month: | January | 6.9°C 44.4°F |
| Wettest month: | January | 96mm 3.8ins |
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