Weather in Ireland for December 2025
In general, the average temperature in Ireland at the beginning of December is 8.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 9.4 °C by the end of December.
Ireland experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 115.3 mm.
Temperatures
Rain 🌧️
Ireland in December average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 9° | 2 8° | 3 8° | 4 8° | 5 9° | 6 10° | 7 9° |
8 7° | 9 8° | 10 7° | 11 9° | 12 9° | 13 8° | 14 8° |
15 10° | 16 10° | 17 11° | 18 12° | 19 9° | 20 9° | 21 10° |
22 8° | 23 11° | 24 10° | 25 9° | 26 9° | 27 10° | 28 9° |
29 9° | 30 10° | 31 10° |
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Temperatures trend during December in Ireland
December weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Dec. | Overcast | 9° /4° | 1.8 mm | 3 | |
2 Dec. | Cloudy | 8° /3° | 2.6 mm | 2 | |
3 Dec. | Patchy rain possible | 8° /4° | 1.2 mm | 2 | |
4 Dec. | Cloudy | 8° /5° | 6 mm | 2 | |
5 Dec. | Patchy rain possible | 9° /4° | 2.5 mm | 3 | |
6 Dec. | Moderate or heavy rain shower | 10° /4° | 6.8 mm | 3 | |
7 Dec. | Moderate or heavy rain shower | 9° /4° | 10.3 mm | 3 | |
8 Dec. | Patchy rain possible | 7° /4° | 3.6 mm | 2 | |
9 Dec. | Moderate rain at times | 8° /4° | 3.5 mm | 2 | |
10 Dec. | Partly cloudy | 7° /3° | 1.1 mm | 3 | |
11 Dec. | Patchy rain possible | 9° /4° | 1.9 mm | 2 | |
12 Dec. | Overcast | 9° /4° | 2.2 mm | 2 | |
13 Dec. | Patchy rain possible | 8° /3° | 3.1 mm | 2 | |
14 Dec. | Patchy rain possible | 8° /4° | 0.6 mm | 2 | |
15 Dec. | Partly cloudy | 10° /5° | 0.1 mm | 3 | |
16 Dec. | Overcast | 10° /6° | 3.3 mm | 3 | |
17 Dec. | Moderate rain at times | 11° /6° | 2.2 mm | 3 | |
18 Dec. | Moderate or heavy rain shower | 12° /6° | 3.2 mm | 3 | |
19 Dec. | Partly cloudy | 9° /5° | 1.6 mm | 3 | |
20 Dec. | Partly cloudy | 9° /6° | 0.6 mm | 2 | |
21 Dec. | Light drizzle | 10° /5° | 1.3 mm | 3 | |
22 Dec. | Patchy rain possible | 8° /4° | 2.5 mm | 2 | |
23 Dec. | Light drizzle | 11° /5° | 5.2 mm | 3 | |
24 Dec. | Overcast | 10° /6° | 1.9 mm | 3 | |
25 Dec. | Overcast | 9° /5° | 4.1 mm | 3 | |
26 Dec. | Moderate rain at times | 9° /5° | 5.6 mm | 2 | |
27 Dec. | Overcast | 10° /4° | 6.8 mm | 3 | |
28 Dec. | Patchy rain possible | 9° /5° | 3 mm | 3 | |
29 Dec. | Overcast | 9° /5° | 3.6 mm | 2 | |
30 Dec. | Overcast | 10° /5° | 7.2 mm | 3 | |
31 Dec. | Moderate rain at times | 10° /6° | 4.6 mm | 2 | |
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Guide for Ireland in December
In December, Ireland experiences a typically cold and wet climate, with temperatures ranging from 4° at the beginning of the month to 7° at the end of the month. The weather in Ireland during December is characterized by overcast skies, frequent rainfall, and occasional frost.
The western coastal areas tend to be milder compared to the inland regions, but overall, the country experiences cool and damp conditions throughout the month.
At the beginning of December, the weather in Ireland is often damp and chilly, with average temperatures around 4°. Rainfall is common, and occasional strong winds can be expected, particularly along the coastal areas.
As the month progresses, temperatures tend to slightly increase, reaching around 7° by the end of December. However, the likelihood of rain remains high, and the days are generally short and overcast.
Travelers visiting Ireland in December should be prepared for cold and wet weather, and it's advisable to pack warm and waterproof clothing.
While the weather may not be ideal for outdoor activities, the festive atmosphere and cozy indoor gatherings make December a charming time to experience the Irish culture and hospitality.
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Ireland in December - FAQ
December rainfall patterns in Ireland
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