Dorset (Weymouth)
December
Weather in Dorset for December 2026
Your guide to Dorset weather in December - trends and predictions
In general, the average temperature in Dorset at the beginning of December is 10.8 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9.1 °C by the end of December.
Dorset in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 110.8 mm.
Is December a good time to visit Dorset? check out the best time to travel to Dorset page.
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Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
10°/8°
Temperatures
41 km/h
Avg max wind
82 %
Avg humidity
Dorset Weather December
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Temperatures trend during December in Dorset
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December weather in Dorset day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 10° /8° | 3.7 mm | 0.7 | |
| 2 Dec. |  Patchy rain possible | 9° /6° | 1.8 mm | 0.7 | |
| 3 Dec. |  Moderate rain | 10° /7° | 12.8 mm | 0.6 | |
| 4 Dec. |  Moderate or heavy rain with thunder | 11° /7° | 9.6 mm | 0.6 | |
| 5 Dec. | Light rain | 11° /8° | 7.1 mm | 0.6 | |
| 6 Dec. | Light rain | 11° /7° | 3.1 mm | 0.6 | |
| 7 Dec. | Moderate rain | 13° /9° | 11.6 mm | 0.6 | |
| 8 Dec. | Light rain | 10° /9° | 2.8 mm | 0.6 | |
| 9 Dec. | Light rain | 11° /9° | 7.3 mm | 0.6 | |
| 10 Dec. | Patchy rain possible | 10° /9° | 2.3 mm | 0.6 | |
| 11 Dec. |  Partly cloudy | 10° /8° | 0.4 mm | 0.6 | |
| 12 Dec. | Light rain | 10° /8° | 3.8 mm | 0.6 | |
| 13 Dec. | Light drizzle | 9° /7° | 1.7 mm | 0.6 | |
| 14 Dec. | Patchy rain possible | 10° /7° | 0.5 mm | 0.6 | |
| 15 Dec. | Patchy rain possible | 11° /8° | 1.7 mm | 0.6 | |
| 16 Dec. | Patchy rain possible | 11° /9° | 0.8 mm | 0.6 | |
| 17 Dec. | Light rain | 11° /9° | 3.8 mm | 0.6 | |
| 18 Dec. | Light rain | 12° /10° | 8.1 mm | 0.6 | |
| 19 Dec. | Patchy rain possible | 11° /7° | 1.5 mm | 0.5 | |
| 20 Dec. | Light rain | 10° /7° | 4.4 mm | 0.5 | |
| 21 Dec. | Light rain | 11° /9° | 4.2 mm | 0.5 | |
| 22 Dec. | Patchy rain possible | 10° /8° | 0.9 mm | 0.5 | |
| 23 Dec. | Patchy rain possible | 10° /7° | 0.4 mm | 0.5 | |
| 24 Dec. | Patchy rain possible | 10° /8° | 0.4 mm | 0.6 | |
| 25 Dec. | Light drizzle | 9° /7° | 1 mm | 0.6 | |
| 26 Dec. | Patchy rain possible | 9° /6° | 1.2 mm | 0.6 | |
| 27 Dec. | Patchy rain possible | 10° /7° | 1.3 mm | 0.6 | |
| 28 Dec. | Patchy rain possible | 9° /7° | 1.5 mm | 0.6 | |
| 29 Dec. | Light rain shower | 9° /7° | 0.7 mm | 0.6 | |
| 30 Dec. | Light rain | 9° /6° | 4.7 mm | 0.6 | |
| 31 Dec. | Light rain | 8° /6° | 6 mm | 0.6 | |
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Important Notice
Our weather forecast for Dorset in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Dorset forecast closer to your planned date for the most up-to-date weather information.
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Dorset in December - FAQ
What are the expected maximum and minimum temperatures in Dorset during December?
During December, expect a variety of temperatures with highs around 10° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Dorset during December?
Significant rainfall exceeding 110.8 mm is expected in Dorset during December, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dorset during December?
The average wind speed in Dorset during December is 41 km/h, suggesting breezy to windy conditions, depending on your activities.
Dorset water temperatures in December
The average water temperature of the Atlantic Ocean near Dorset in December is 10.4 °C. At the beginning of December temperatures are around 10.5 °C; by the end of the month they stay fairly steady and reach 10.3 °C.
- What is the water temperature in Dorset in December?
- The average water temperature in Dorset in December is 10.4 °C.
- Can you swim in Dorset in December?
- Dangerously cold water: hypothermia risk is high. Only experienced cold-water swimmers with proper gear should consider entering.
December rainfall patterns in Dorset
Explore the daily rainfall trends and prepare for Dorsets December weather 💧
Typically, Dorset has 16 rainy days in December with a total of 110.8 mm of rainfall.
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