Brentwood Weather in December

The climate in Brentwood during December can be summarized as cool and damp.

December is in the winter in Brentwood and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 10°C (50°F), whilst at night -1°C (30°F) is normal.

On average December is the 2nd wettest month of the year in Brentwood with around 118mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.7 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 Brentwood in December 2024.