Temperatures in August
It's warm in August in Big Bear Lake with an average temperature of 26°C. Temperatures this month range from a low of 24°C to a high of 29°C. At night, you can expect temperatures between 7°C and 11°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Big Bear Lake in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Big Bear Lake with warm temperatures, averaging around 26°C during the day and nights close to 9°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-August
By mid-August, the average daytime temperature rises to around 27°C, with nights close to 9°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of August
By the end of August, the average daytime temperature in Big Bear Lake will be around 27°C, with nights close to 9°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Discover cheap trips to Big Bear Lake 
Precipitation in August
In August, there is an average of 12 mm of precipitation, spread over 2 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
The average chance of precipitation is only 7% in August.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Big Bear Lake. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Big Bear Lake in August |
London | ||
|---|---|---|---|
 Average Temperature |
26°C | 22°C | |
 High Temp |
29°C | 24°C | |
| Low Temp |
24°C | 19°C | |
 Total Precipitation |
12 mm | 60 mm | |
| Rainy Days |
2 days | 10 days | |
July
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Big Bear Lake?
Want nice weather? Then August is a great time to be in Big Bear Lake. You’ll have pleasant temperatures and little chance of rain this month.
Temperature records for Big Bear Lake in August
With 43°C, Big Bear Lake hit the highest temperature in the last 10 years in August 2020. The lowest daytime temperature in this month was 14°C in 2014. The extreme night temperatures ranged from a low of 0°C to a high of 16°C.
Check out the climate of Big Bear Lake for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Big Bear Lake and see what our partners have for you.
Daily Temperature in August in Big Bear Lake
This chart shows the average daily temperatures, both day and night, for each day in August in Big Bear Lake, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Big Bear Lake
The chart below shows the average daily precipitation in August for Big Bear Lake, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 2 days of rain in Big Bear Lake.
Daily UV Index in August in Big Bear Lake
This chart shows the average daily UV index in August in Big Bear Lake, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Big Bear Lake Over the Years
This chart shows the average temperature in August in Big Bear Lake, measured in degrees Celsius, over the past years.
Total Precipitation in August in Big Bear Lake Over the Years
This chart shows the average precipitation in August in Big Bear Lake, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Big Bear Lake
Click on a specific day in August for detailed info on the typical weather on that day in Big Bear Lake. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Big Bear Lake
Have you been to Big Bear Lake in August?
Share your weather experience in August in Big Bear Lake.
Average Weather in Big Bear Lake by Month
Click on a month below to see detailed weather info for Big Bear Lake. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Big Bear Lake for all months at once
