Brentwood Weather in December

What's the weather like in Brentwood (California) in December 2024?

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

December is in the winter in Brentwood and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 3°C (37°F) is normal.

Brentwood weather averages (imperial / metric)
Daytime temperature 12.7°C 54.8°F
Nightly temperature 3°C 37.3°F
Average temperature 7.8°C 46°F
Daily sunshine 5.4 hrs
Avg rainfall 62 mm 2.4 ins
Rainy days 9 days
Sea temperature 12.9°C 55.2°F
Humidity 82%
Windspeed 12.2kph 8 mph

On average December is the 2nd wettest month of the year in Brentwood with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.4 hours of sunshine per day.

December temperatures in Brentwood

Brentwood average temperature in December

December rainfall

Brentwood average rain in December

December hourly sunshine

Brentwood average rain in December

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.