West Sussex (Crawley)
December
Weather in West Sussex for December 2025
Your guide to West Sussex weather in December - trends and predictions
Snowfall in West Sussex during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in West Sussex at the beginning of December is 8.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 10.3 °C by the end of December.
West Sussex in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 96.9 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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10
Dry days
20
Rainy days
1
Snow days
9°/5°
Temperatures
30 km/h
Avg max wind
87 %
Avg humidity
West Sussex in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2  7° | 3  6° | 4  9° | 5 9° | 6  8° | 7  11° |
| 8 8° | 9 10° | 10 9° | 11 8° | 12 9° | 13 7° | 14 6° |
| 15  9° | 16  11° | 17 10° | 18 12° | 19 12° | 20 9° | 21 11° |
| 22 9° | 23  9° | 24 11° | 25 11° | 26 10° | 27 10° | 28 10° |
| 29 9° | 30 10° | 31 12° |
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Temperatures trend during December in West Sussex
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Moderate snow | 9° /5° | 2.7 mm | 0.1 cm | |
| 2 Dec. | Partly cloudy | 7° /2° | 0.9 mm | 0 cm | |
| 3 Dec. | Light rain shower | 6° /1° | 7.2 mm | 0 cm | |
| 4 Dec. | Moderate or heavy rain with thunder | 9° /4° | 8.3 mm | 0 cm | |
| 5 Dec. | Patchy rain possible | 9° /6° | 3.2 mm | 0 cm | |
| 6 Dec. | Cloudy | 8° /3° | 0.2 mm | 0 cm | |
| 7 Dec. | Light rain | 11° /5° | 5.8 mm | 0 cm | |
| 8 Dec. | Patchy rain possible | 8° /5° | 1.3 mm | 0 cm | |
| 9 Dec. | Light rain shower | 10° /6° | 6.8 mm | 0 cm | |
| 10 Dec. | Light rain shower | 9° /6° | 5.5 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 8° /4° | 0.1 mm | 0 cm | |
| 12 Dec. | Light rain shower | 9° /6° | 4 mm | 0 cm | |
| 13 Dec. | Light drizzle | 7° /4° | 0.7 mm | 0 cm | |
| 14 Dec. | Patchy rain possible | 6° /2° | 0.1 mm | 0 cm | |
| 15 Dec. | Sunny | 9° /2° | 0 mm | 0 cm | |
| 16 Dec. | Fog | 11° /5° | 0 mm | 0 cm | |
| 17 Dec. | Partly cloudy | 10° /6° | 0.1 mm | 0 cm | |
| 18 Dec. | Light drizzle | 12° /9° | 3.8 mm | 0 cm | |
| 19 Dec. | Light rain | 12° /3° | 3.5 mm | 0 cm | |
| 20 Dec. | Patchy rain possible | 9° /2° | 1.5 mm | 0 cm | |
| 21 Dec. | Patchy rain possible | 11° /6° | 0.7 mm | 0 cm | |
| 22 Dec. | Patchy rain possible | 9° /5° | 1.9 mm | 0 cm | |
| 23 Dec. | Moderate or heavy rain shower | 9° /5° | 3.4 mm | 0 cm | |
| 24 Dec. | Patchy rain possible | 11° /7° | 0.6 mm | 0 cm | |
| 25 Dec. | Moderate rain at times | 11° /7° | 1.8 mm | 0 cm | |
| 26 Dec. | Partly cloudy | 10° /4° | 0.7 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 10° /4° | 1.1 mm | 0 cm | |
| 28 Dec. | Moderate rain at times | 10° /7° | 2.6 mm | 0 cm | |
| 29 Dec. | Cloudy | 9° /4° | 0.1 mm | 0 cm | |
| 30 Dec. | Moderate or heavy rain shower | 10° /4° | 3.2 mm | 0 cm | |
| 31 Dec. | Moderate or heavy rain shower | 12° /7° | 9.9 mm | 0 cm | |
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Important Notice
Our weather forecast for West Sussex 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 West Sussex forecast closer to your planned date for the most up-to-date weather information.
West Sussex in December - FAQ
What are the expected maximum and minimum temperatures in West Sussex during December?
During December, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in West Sussex during December?
Moderate rainfall is anticipated in West Sussex during December, with a total of 96.9 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
Will it snow in West Sussex in December 2025?
West Sussex typically sees 0.11 cm of snowfall during December.
What are the typical wind conditions in West Sussex during December?
The average wind speed in West Sussex during December is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
West Sussex snow forecast December 2025
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December rainfall patterns in West Sussex
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