Weather in Jersey for December 2025
In general, the average temperature in Jersey at the beginning of December is 11.3 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 11.4 °C by the end of December.
Jersey experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 148.5 mm.
Temperatures
Rain 🌧️
Jersey in December average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  10° | 2 10° | 3 11° | 4  12° | 5 12° | 6 11° | 7  13° |
| 8 11° | 9  12° | 10 12° | 11 11° | 12 10° | 13 10° | 14 11° |
| 15 12° | 16  11° | 17 11° | 18 12° | 19 13° | 20 11° | 21 12° |
| 22  12° | 23 12° | 24 12° | 25 12° | 26 11° | 27 11° | 28  11° |
| 29 11° | 30 12° | 31 12° |
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Temperatures trend during December in Jersey
December weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Patchy rain possible | 10° /9° | 3.3 mm | 3 | |
| 2 Dec. | Patchy rain possible | 10° /6° | 2 mm | 3 | |
| 3 Dec. | Light rain shower | 11° /8° | 6.5 mm | 3 | |
| 4 Dec. | Moderate or heavy rain with thunder | 12° /9° | 6.6 mm | 3 | |
| 5 Dec. | Light rain shower | 12° /10° | 7.5 mm | 3 | |
| 6 Dec. | Patchy rain possible | 11° /9° | 0.3 mm | 3 | |
| 7 Dec. | Moderate rain | 13° /7° | 12.3 mm | 3 | |
| 8 Dec. | Light rain shower | 11° /9° | 4.9 mm | 3 | |
| 9 Dec. | Light rain | 12° /9° | 8.5 mm | 3 | |
| 10 Dec. | Light rain | 12° /9° | 6.5 mm | 3 | |
| 11 Dec. | Patchy light drizzle | 11° /9° | 1.2 mm | 3 | |
| 12 Dec. | Light rain shower | 10° /8° | 3.1 mm | 3 | |
| 13 Dec. | Light rain shower | 10° /7° | 3.3 mm | 3 | |
| 14 Dec. | Patchy rain possible | 11° /8° | 1.9 mm | 3 | |
| 15 Dec. | Patchy rain possible | 12° /9° | 0.5 mm | 3 | |
| 16 Dec. | Sunny | 11° /9° | 0.1 mm | 4 | |
| 17 Dec. | Sunny | 11° /8° | 1 mm | 4 | |
| 18 Dec. | Patchy rain possible | 12° /10° | 1.6 mm | 3 | |
| 19 Dec. | Moderate rain | 13° /9° | 6.1 mm | 3 | |
| 20 Dec. | Patchy rain possible | 11° /9° | 2.6 mm | 3 | |
| 21 Dec. | Patchy rain possible | 12° /10° | 3.2 mm | 3 | |
| 22 Dec. | Moderate or heavy rain shower | 12° /9° | 5.6 mm | 3 | |
| 23 Dec. | Patchy rain possible | 12° /9° | 4 mm | 3 | |
| 24 Dec. | Moderate rain at times | 12° /10° | 1.6 mm | 3 | |
| 25 Dec. | Patchy rain possible | 12° /10° | 5.3 mm | 3 | |
| 26 Dec. | Patchy rain possible | 11° /9° | 0.6 mm | 3 | |
| 27 Dec. | Patchy rain possible | 11° /9° | 1.9 mm | 3 | |
| 28 Dec. | Heavy rain at times | 11° /9° | 3.9 mm | 3 | |
| 29 Dec. | Moderate rain at times | 11° /9° | 3.4 mm | 3 | |
| 30 Dec. | Patchy rain possible | 12° /8° | 8.7 mm | 3 | |
| 31 Dec. | Moderate or heavy rain shower | 12° /9° | 11.1 mm | 3 | |
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Guide for Jersey in December
In December, Jersey experiences a transition from the late autumn weather to the onset of winter. At the beginning of the month, the weather in Jersey is relatively mild, with average temperatures around 10° and occasional rainfall.
As the month progresses, the temperatures gradually drop, and by the end of December, the island experiences cooler conditions with average temperatures around 7°. The weather becomes increasingly unpredictable, with a higher chance of fog and occasional frost towards the end of the month.
The island's coastal location means that it is susceptible to strong winds, particularly during December, which can further contribute to the cooler feel of the weather.
While snowfall is rare in Jersey, it is not unheard of, especially towards the end of December when the temperatures are at their lowest.
Overall, December in Jersey offers a mix of mild and cool weather, making it an ideal time for visitors who enjoy the crispness of winter without extreme cold. Visitors should be prepared for varying conditions and dress in layers to accommodate the changing temperatures throughout the month.
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Jersey in December - FAQ
December rainfall patterns in Jersey
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