Vacaville August Weather

Averages and records for weather in Vacaville, California in the month of August.
Typical Vacaville August Weather
1991–2020
Average daily high 93.9 °F
Average daily low 58.5 °F
Average monthly precipitation 0.0 inches
Daily chance of precipitation 0.67%
Vacaville August Weather Records
1893–2024
Highest temperature 114 °F August 20, 1950
Lowest temperature 39 °F August 22, 1955
Highest daily low 76 °F August 16, 2020
Lowest daily high 68 °F August 31, 1907
Hottest average high temperature 99.9 °F 1967
Coldest average high temperature 87.2 °F 1976
Most daily precipitation 0.4 inches August 14, 1916
Most monthly precipitation 0.6 inches 1896
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 95.0 59.2 109 44
August 2 95.1 59.2 109 41
August 3 95.1 59.2 108 45
August 4 95.1 59.1 106 44
August 5 95.0 59.1 108 44
August 6 94.9 59.0 106 45
August 7 94.8 58.9 111 47
August 8 94.7 58.9 109 44
August 9 94.5 58.8 109 47
August 10 94.4 58.8 111 45
August 11 94.2 58.7 111 44
August 12 94.1 58.6 111 46
August 13 94.1 58.5 111 43
August 14 94.1 58.5 111 46
August 15 94.0 58.5 112 46
August 16 93.8 58.5 111 41
August 17 93.7 58.4 109 43
August 18 93.7 58.4 111 44
August 19 93.8 58.4 113 44
August 20 93.9 58.4 114 46
August 21 93.9 58.4 104 43
August 22 93.9 58.4 103 39
August 23 93.9 58.4 108 43
August 24 93.9 58.3 110 41
August 25 93.8 58.3 109 43
August 26 93.6 58.2 110 44
August 27 93.4 58.1 110 43
August 28 93.2 58.0 110 42
August 29 93.1 57.9 107 43
August 30 92.9 57.8 106 42
August 31 92.6 57.7 106 44
Weather Station Details
Years Station Coordinates
1999–2024 Vacaville Nut Tree Airport location
1893–1998 Vacaville location