Dover Weather in December

The climate in Dover during December can be summarized as cold and a little damp.

December is in the winter in Dover and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (36°F), whilst at night -9°C (17°F) is normal.

On average December is the 2nd wettest month of the year in Dover with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 5 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 Dover in December 2025.