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Barstow August Weather

Averages and records for weather in Barstow, California in the month of August.

Typical Barstow August Weather 1991–2020
Average daily high	101.5 °F
Average daily low	69.8 °F
Average monthly precipitation	0.2 inches
Average monthly snow	none
Daily chance of precipitation	2.9%
Daily chance of snow	0%

Barstow August Weather Records 1903–2024
Highest temperature	113 °F	August 13, 1944
Lowest temperature	48 °F	August 30, 1907
Highest daily low	87 °F	August 29, 1998
Lowest daily high	77 °F	August 19, 1983
Hottest average high temperature	105.0 °F	2020
Coldest average high temperature	94.8 °F	1968
Most daily precipitation	1.7 inches	August 9, 1942
Most monthly precipitation	2.8 inches	1942
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	102.6	71.4	112	55
August 2	102.6	71.3	110	56
August 3	102.6	71.3	110	55
August 4	102.6	71.3	110	53
August 5	102.6	71.2	112	55
August 6	102.6	71.1	111	55
August 7	102.5	71.0	110	54
August 8	102.5	70.9	112	55
August 9	102.3	70.7	110	54
August 10	102.2	70.6	111	53
August 11	102.1	70.5	112	52
August 12	102.0	70.4	113	56
August 13	101.9	70.3	113	56
August 14	101.8	70.1	110	56
August 15	101.7	70.0	111	52
August 16	101.7	69.9	109	52
August 17	101.6	69.8	111	53
August 18	101.4	69.7	112	52
August 19	101.3	69.6	112	51
August 20	101.2	69.5	112	50
August 21	101.1	69.5	111	50
August 22	101.0	69.4	109	53
August 23	100.9	69.3	109	49
August 24	100.7	69.2	108	52
August 25	100.5	69.1	107	51
August 26	100.3	68.9	109	52
August 27	100.1	68.6	110	51
August 28	99.8	68.4	112	52
August 29	99.6	68.1	110	50
August 30	99.3	67.9	110	48
August 31	99.1	67.6	110	51

Weather Station Details

Years	Station	Coordinates
1980–2024	Barstow	location
1903–1980	Barstow	location