Williamson Weather in December

The climate in Williamson during December can be summarized as cool and a little damp.

December is in the winter in Williamson and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night -3°C (27°F) is normal.

On average December is the 6th driest month of the year in Williamson with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.2 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 Williamson in December 2024.