Annual Weather Averages in Vacaville
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Vacaville
High Temp: 95 °F
Low Temp: 38 °F
Mean Temp: 62 °F
Precipitation: 2.05"
Humidity: 60%
Dew Point: 46 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 12 mi
January Climate & Weather Averages in Vacaville
High Temp: 57 °F
Low Temp: 38 °F
Mean Temp: 48 °F
Precipitation: 5.30"
Humidity: 79%
Dew Point: 41 °F
Wind: 7 mph
Pressure: 30.14 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Vacaville
High Temp: 62 °F
Low Temp: 41 °F
Mean Temp: 51 °F
Precipitation: 4.94"
Humidity: 72%
Dew Point: 42 °F
Wind: 9 mph
Pressure: 30.07 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Vacaville
High Temp: 68 °F
Low Temp: 44 °F
Mean Temp: 56 °F
Precipitation: 3.16"
Humidity: 66%
Dew Point: 43 °F
Wind: 11 mph
Pressure: 30.05 "Hg
Visibility: 13 mi
April Climate & Weather Averages in Vacaville
High Temp: 73 °F
Low Temp: 47 °F
Mean Temp: 60 °F
Precipitation: 1.23"
Humidity: 59%
Dew Point: 44 °F
Wind: 12 mph
Pressure: 30.01 "Hg
Visibility: 14 mi
May Climate & Weather Averages in Vacaville
High Temp: 81 °F
Low Temp: 52 °F
Mean Temp: 66 °F
Precipitation: 0.80"
Humidity: 54%
Dew Point: 48 °F
Wind: 14 mph
Pressure: 29.93 "Hg
Visibility: 14 mi
June Climate & Weather Averages in Vacaville
High Temp: 90 °F
Low Temp: 57 °F
Mean Temp: 73 °F
Precipitation: 0.18"
Humidity: 48%
Dew Point: 50 °F
Wind: 15 mph
Pressure: 29.87 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Vacaville
High Temp: 95 °F
Low Temp: 59 °F
Mean Temp: 77 °F
Precipitation: 0.01"
Humidity: 47%
Dew Point: 53 °F
Wind: 16 mph
Pressure: 29.87 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Vacaville
High Temp: 94 °F
Low Temp: 58 °F
Mean Temp: 76 °F
Precipitation: 0.02"
Humidity: 48%
Dew Point: 52 °F
Wind: 15 mph
Pressure: 29.87 "Hg
Visibility: 14 mi
September Climate & Weather Averages in Vacaville
High Temp: 90 °F
Low Temp: 56 °F
Mean Temp: 73 °F
Precipitation: 0.07"
Humidity: 47%
Dew Point: 49 °F
Wind: 11 mph
Pressure: 29.88 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Vacaville
High Temp: 80 °F
Low Temp: 50 °F
Mean Temp: 65 °F
Precipitation: 1.27"
Humidity: 52%
Dew Point: 45 °F
Wind: 9 mph
Pressure: 29.97 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Vacaville
High Temp: 66 °F
Low Temp: 43 °F
Mean Temp: 54 °F
Precipitation: 2.36"
Humidity: 68%
Dew Point: 43 °F
Wind: 7 mph
Pressure: 30.09 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Vacaville
High Temp: 57 °F
Low Temp: 38 °F
Mean Temp: 48 °F
Precipitation: 5.29"
Humidity: 76%
Dew Point: 39 °F
Wind: 8 mph
Pressure: 30.14 "Hg
Visibility: 9 mi