Big Bear Lake (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Big Bear Lake.
Climate overview of Big Bear Lake
The climate in Big Bear Lake, California, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to 9°C (48°F) in December.
The city has a relatively dry climate, receiving around 485 mm (19 in) of rain/snowfall per year. It does experience a distinct dry season from April to November, with warm summers and cold winters. December is the wettest month and June the driest.
Big Bear Lake Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Big Bear Lake - and find the best time to visit.
Monthly Temperature in Big Bear Lake
In Big Bear Lake, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a chilly 9°C (48°F) in December.
Nighttime temperatures range from 9°C (48°F) in July to -6°C (21°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Big Bear Lake
Big Bear Lake's climate is marked by below-average rain/snowfall, accumulating 485 mm (19 in) of precipitation yearly. The seasons in Big Bear Lake bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 136 mm (5.4 in) of precipitation. This rainfall is distributed across 8 rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 2.3 mm (0.1 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Big Bear Lake Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Big Bear Lake
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: May, June, July, August, September and October
- Warmest weather: July and August
- Fewest rainy days: May, June, September and October
- Wettest period: January, February and December, when rainfall peaks.
- Climate seasons: a distinct dry season from April to November, with warm summers and cold winters
- Best for winter weather: December, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Big Bear Lake
What is the best time to visit Big Bear Lake?
May, June, July, August, September and October typically offer the most optimal weather in Big Bear Lake. In contrast, January, February and December tend to have less optimal conditions. Big Bear Lake has a distinct dry season from April to November, with warm summers and cold winters.
What temperatures can I expect in Big Bear Lake?
Daytime highs range from 9°C (48°F) in December to 27°C (81°F) in July. Nighttime lows range from -6°C (21°F) to 9°C (48°F). Temperatures vary considerably through the year.
How much rain does Big Bear Lake get?
Annual rainfall is around 485 mm (19 in). December is the wettest month with 136 mm (5.4 in), while June is the driest with 2.3 mm (0.1 in).
Big Bear Lake 3-Day Forecast
Big Bear Lake (CA) 3-Day Forecast
Big Bear Lake on the map
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