Climate Insights for Big Bear City

The climate in Big Bear City is temperate. The average annual temperature is 14°C and approximately 365mm of precipitation falls per year. January is the wettest month, receiving around 53mm of rainfall. Big Bear City is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 1°C. Snowfall occurs from January to December, with around 94cm accumulating over the season.

Temperatures in Big Bear City vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 1°C and an average of 6°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.

Big Bear City is a quite dry location, receiving approximately 365mm of precipitation annually, which averages out to around 30mm per month. The wettest month is January, averaging 53mm of rainfall. March and February also tend to see above-average precipitation. The driest month is June, with just 10mm. That's 43mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 94cm accumulating over the season. January typically sees the most snow at around 26cm.

Big Bear City is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in Big Bear City, which began on June 21, 2026. Big Bear City is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 32°C, while the coldest stretch bottoms out in January near 1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Big Bear City is during May, June, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 19mm per month. By contrast, July can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to 1°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Big Bear City based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.