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Modesto August Weather

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

Typical Modesto August Weather 1991–2020
Average daily high	93.5 °F
Average daily low	62.8 °F
Average monthly precipitation	0.0 inches
Daily chance of precipitation	0.33%

Modesto August Weather Records 1906–2024
Highest temperature	111 °F	August 16, 2020
Lowest temperature	46 °F	August 30, 1957
Highest daily low	82 °F	August 18, 2020
Lowest daily high	63 °F	August 31, 1964
Hottest average high temperature	97.6 °F	1958
Coldest average high temperature	86.1 °F	1976
Most daily precipitation	0.6 inches	August 18, 1975
Most monthly precipitation	0.7 inches	1965

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	94.7	63.6	106	50
August 2	94.7	63.6	106	49
August 3	94.7	63.5	106	50
August 4	94.7	63.5	108	51
August 5	94.7	63.4	106	50
August 6	94.6	63.3	106	51
August 7	94.4	63.2	107	52
August 8	94.3	63.2	106	49
August 9	94.2	63.1	106	51
August 10	94.0	63.0	106	48
August 11	93.9	63.0	105	49
August 12	93.8	62.9	106	50
August 13	93.7	62.9	107	49
August 14	93.8	62.9	106	50
August 15	93.7	62.9	105	49
August 16	93.5	62.8	111	49
August 17	93.4	62.8	108	50
August 18	93.4	62.7	106	50
August 19	93.4	62.7	106	49
August 20	93.4	62.7	104	50
August 21	93.4	62.7	101	50
August 22	93.4	62.6	101	51
August 23	93.3	62.6	103	49
August 24	93.3	62.6	106	47
August 25	93.2	62.5	107	48
August 26	93.0	62.3	104	49
August 27	92.8	62.2	106	48
August 28	92.6	62.0	109	48
August 29	92.4	61.9	107	48
August 30	92.2	61.7	106	46
August 31	91.9	61.6	104	48

Weather Station Details

Years	Station	Coordinates
1906–2024	Modesto City-County Airport	location