Big Bear Lake Weather in January

What's the weather like in Big Bear Lake (California) in January 2025?

The climate in Big Bear Lake during January can be summarized as cool and a little damp.

January is in the winter in Big Bear Lake and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 9°C (47°F), whilst at night -4°C (25°F) is normal.

Big Bear Lake weather averages (imperial / metric)
Daytime temperature 8.5°C 47.3°F
Nightly temperature -3.9°C 25°F
Average temperature 2.3°C 36.1°F
Daily sunshine 8.3 hrs
Avg rainfall 88 mm 3.5 ins
Rainy days 5 days
Sea temperature 14.3°C 57.8°F
Humidity 58%
Windspeed 13.3kph 8 mph

On average January is the wettest month of the year in Big Bear Lake with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

January temperatures in Big Bear Lake

Big Bear Lake average temperature in January

January rainfall

Big Bear Lake average rain in January

January hourly sunshine

Big Bear Lake 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 Big Bear Lake in January 2025.