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Big Bear Lake August Weather

Averages and records for weather in Big Bear Lake, California in the month of August.

Typical Big Bear Lake August Weather 1991–2020
Average daily high	80.1 °F
Average daily low	48.8 °F
Average monthly precipitation	0.9 inches
Average monthly snow	none
Daily chance of precipitation	9.1%
Daily chance of snow	0%

Big Bear Lake August Weather Records 1914–2024
Highest temperature	93 °F	August 1, 1938
Lowest temperature	28 °F	August 24, 1920
Highest daily low	62 °F	August 13, 2003
Lowest daily high	55 °F	August 10, 1941
Hottest average high temperature	83.6 °F	1985
Coldest average high temperature	64.8 °F	1921
Most daily precipitation	2.6 inches	August 20, 2023
Most monthly precipitation	4.6 inches	2003
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	81.0	49.8	93	36
August 2	81.0	49.7	91	35
August 3	81.0	49.7	87	35
August 4	81.0	49.6	88	35
August 5	81.0	49.6	89	36
August 6	80.9	49.6	89	35
August 7	80.9	49.6	91	36
August 8	80.8	49.5	92	34
August 9	80.8	49.4	90	33
August 10	80.7	49.4	90	32
August 11	80.6	49.3	89	31
August 12	80.5	49.3	88	31
August 13	80.4	49.2	90	35
August 14	80.3	49.1	90	34
August 15	80.3	48.9	90	34
August 16	80.2	48.8	89	32
August 17	80.1	48.8	89	34
August 18	80.1	48.7	90	36
August 19	80.0	48.5	90	37
August 20	79.9	48.5	86	32
August 21	79.8	48.5	89	36
August 22	79.7	48.5	86	31
August 23	79.5	48.4	87	31
August 24	79.4	48.5	90	28
August 25	79.3	48.4	92	29
August 26	79.1	48.2	90	36
August 27	78.9	48.0	90	36
August 28	78.7	47.8	90	32
August 29	78.5	47.6	92	31
August 30	78.3	47.4	86	31
August 31	78.1	47.1	88	30

Weather Station Details

Years	Station	Coordinates
1960–2024	Big Bear Lake	location
1914–1960	Big Bear Lake Dam	location