Weather in Isle of Man for December 2026
In general, the average temperature in Isle of Man at the beginning of December is 9.5 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9 °C by the end of December.
Isle of Man experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 178.5 mm.
Is December a good time to visit Isle of Man? check out the best time to travel to Isle of Man page.
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Isle of Man Weather December
Temperatures trend during December in Isle of Man
December weather in Isle of Man day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate rain | 10° /7° | 11 mm | 0.4 | |
| 2 Dec. |  Light rain shower | 9° /6° | 2.3 mm | 0.4 | |
| 3 Dec. |  Light rain | 8° /6° | 6.4 mm | 0.4 | |
| 4 Dec. | Light rain | 9° /6° | 8.1 mm | 0.4 | |
| 5 Dec. | Light rain | 10° /6° | 7.3 mm | 0.4 | |
| 6 Dec. | Light rain | 10° /7° | 9.7 mm | 0.3 | |
| 7 Dec. | Moderate rain | 12° /8° | 13.5 mm | 0.3 | |
| 8 Dec. | Light rain | 10° /8° | 5.9 mm | 0.3 | |
| 9 Dec. | Moderate rain | 11° /8° | 10.1 mm | 0.3 | |
| 10 Dec. | Light rain shower | 9° /8° | 2.4 mm | 0.3 | |
| 11 Dec. | Light rain | 9° /7° | 4.8 mm | 0.3 | |
| 12 Dec. | Light rain | 8° /7° | 7.1 mm | 0.3 | |
| 13 Dec. | Patchy rain possible | 8° /7° | 0.7 mm | 0.3 | |
| 14 Dec. | Light rain | 10° /8° | 8.3 mm | 0.3 | |
| 15 Dec. | Light rain | 11° /9° | 3 mm | 0.3 | |
| 16 Dec. | Patchy rain possible | 10° /9° | 0.1 mm | 0.3 | |
| 17 Dec. | Light rain | 11° /10° | 8.2 mm | 0.3 | |
| 18 Dec. | Light rain | 11° /8° | 3.1 mm | 0.3 | |
| 19 Dec. | Patchy rain possible | 9° /7° | 1.7 mm | 0.3 | |
| 20 Dec. | Light rain | 10° /8° | 3.5 mm | 0.3 | |
| 21 Dec. | Light rain | 10° /8° | 6.3 mm | 0.3 | |
| 22 Dec. | Light rain | 10° /7° | 6.4 mm | 0.3 | |
| 23 Dec. | Light rain | 11° /8° | 6.2 mm | 0.3 | |
| 24 Dec. | Patchy rain possible | 10° /9° | 2 mm | 0.3 | |
| 25 Dec. | Light rain | 9° /7° | 4.4 mm | 0.3 | |
| 26 Dec. | Patchy rain possible | 8° /7° | 1 mm | 0.3 | |
| 27 Dec. | Moderate rain | 10° /7° | 13.1 mm | 0.3 | |
| 28 Dec. | Light rain | 9° /7° | 4.4 mm | 0.3 | |
| 29 Dec. | Patchy rain possible | 9° /6° | 2 mm | 0.3 | |
| 30 Dec. |  Moderate or heavy rain shower | 9° /7° | 9.8 mm | 0.3 | |
| 31 Dec. |  Heavy rain at times | 9° /7° | 5.9 mm | 0.3 | |
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Guide for Isle of Man in December
In December, the Isle of Man experiences typical winter weather, with temperatures gradually dropping as the month progresses. At the beginning of December, the Isle of Man generally sees mild and cool temperatures, with average highs around 8° and lows around 4°.
The weather is often damp and overcast, with occasional rain showers. As the month progresses, temperatures tend to decrease, and by the end of December, the Isle of Man experiences colder conditions, with average highs around 6° and lows around 2°.
The island may also experience some frosty mornings and the possibility of snowfall, particularly in the higher elevations.
The weather in December on the Isle of Man is characterized by shorter daylight hours and a higher chance of cloudy and overcast skies. It's advisable for visitors to pack warm clothing and be prepared for the possibility of wet weather.
Despite the cooler temperatures, the Isle of Man can still be a charming destination in December, with its rugged coastal landscapes and festive holiday atmosphere.