The climate in Dorchester during December can be summarized as cool and a little damp.
December is in the winter in Dorchester and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (47°F), whilst at night 3°C (37°F) is normal.
Daytime temperature | 8.5°C 47.2°F |
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Nightly temperature | 2.8°C 37°F |
Average temperature | 5.6°C 42.1°F |
Daily sunshine | 2 hrs |
Avg rainfall | 100 mm 3.9 ins |
Rainy days | 18 days |
Sea temperature | 11.7°C 53°F |
Humidity | 92% |
Windspeed | 17.6kph 11 mph |
On average December is the wettest month of the year in Dorchester with around 100mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
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 Dorchester in December 2024.
Best places to visit in December
Hottest month: | July | 19.9°C 67.8°F |
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Driest month: | April | 53mm 2.1ins |
Sunniest month: | July | 7.7hrs |
Coldest month: | February | 7.1°C 44.8°F |
Wettest month: | December | 100mm 3.9ins |