Jefferson Weather in December

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

December is in the winter in Jefferson and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (37°F), whilst at night -5°C (23°F) is normal.

On average December is the 5th driest month of the year in Jefferson with around 81mm 3.2 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 2.1 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 Jefferson in December 2024.