Big Bear Lake Weather in October

The climate in Big Bear Lake during October can be summarized as mild and dry.

October is in the fall / autumn in Big Bear Lake and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 4°C (38°F) is normal.

On average October is the 3rd driest month of the year in Big Bear Lake with around 26mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 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 Big Bear Lake in October 2025.