Winchester Weather in December
What's the weather like in Winchester (England) in December 2025?
The climate in Winchester during December can be summarized as cool and a little damp.
December is in the winter in Winchester and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night 2°C (35°F) is normal.
| Daytime temperature | 7.7°C 45.9°F |
|---|---|
| Nightly temperature | 1.9°C 35.4°F |
| Average temperature | 4.8°C 40.6°F |
| Daily sunshine | 2 hrs |
| Avg rainfall | 87 mm 3.4 ins |
| Rainy days | 17 days |
| Sea temperature | 11.3°C 52.4°F |
| Humidity | 93% |
| Windspeed | 16.6kph 10 mph |
On average December is the wettest month of the year in Winchester with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
December temperatures in Winchester
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Winchester in December 2025.
Other monthly averages
Best places to visit in December
Winchester weather stats
| Hottest month: | July | 21.1°C 70°F |
|---|---|---|
| Driest month: | July | 48mm 1.9ins |
| Sunniest month: | August | 6.5hrs |
| Coldest month: | January | 6.5°C 43.7°F |
| Wettest month: | December | 87mm 3.4ins |
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