Brentwood Weather in January

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

The climate in Brentwood during January can be summarized as cool and a little damp.

January is in the winter in Brentwood and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 13°C (54°F), whilst at night 3°C (37°F) is normal.

Brentwood weather averages (imperial / metric)
Daytime temperature 12.5°C 54.4°F
Nightly temperature 2.6°C 36.6°F
Average temperature 7.5°C 45.5°F
Daily sunshine 5.9 hrs
Avg rainfall 81 mm 3.2 ins
Rainy days 9 days
Sea temperature 12.4°C 54.4°F
Humidity 81%
Windspeed 11.9kph 7 mph

On average January is the wettest month of the year in Brentwood with around 81mm 3.2 inches of rain making it a a little damp 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 5.9 hours of sunshine per day.

January temperatures in Brentwood

Brentwood average temperature in January

January rainfall

Brentwood average rain in January

January hourly sunshine

Brentwood average rain in January

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 January 2024.