Vacaville December Weather

Averages and records for weather in Vacaville, California in the month of December.
Typical Vacaville December Weather
1991–2020
Average daily high 57.4 °F
Average daily low 38.0 °F
Average monthly precipitation 5.2 inches
Daily chance of precipitation 33.7%
Vacaville December Weather Records
1893–2024
Highest temperature 80 °F December 9, 1893
Lowest temperature 14 °F December 26, 1924
Highest daily low 62 °F December 22, 1914
Lowest daily high 32 °F December 11, 1932
Hottest average high temperature 63.6 °F 1958
Coldest average high temperature 46.4 °F 1963
Most daily precipitation 5.9 inches December 19, 1955
Most monthly precipitation 17.2 inches 1955
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 60.6 40.1 71 26
December 2 60.3 39.9 75 24
December 3 59.9 39.8 74 25
December 4 59.7 39.6 72 22
December 5 59.4 39.3 73 23
December 6 59.2 39.1 74 20
December 7 58.9 39.0 74 25
December 8 58.6 38.9 80 23
December 9 58.4 38.8 80 19
December 10 58.1 38.7 74 16
December 11 57.9 38.5 72 16
December 12 57.7 38.3 78 22
December 13 57.5 38.2 72 21
December 14 57.4 38.1 71 16
December 15 57.3 38.1 70 16
December 16 57.1 38.0 72 24
December 17 57.0 37.9 70 23
December 18 56.9 37.8 71 17
December 19 56.8 37.7 75 19
December 20 56.7 37.6 76 17
December 21 56.6 37.5 75 23
December 22 56.5 37.4 70 18
December 23 56.3 37.3 70 18
December 24 56.2 37.2 72 15
December 25 56.0 37.2 71 22
December 26 55.9 37.2 76 14
December 27 55.9 37.2 72 19
December 28 55.8 37.1 75 18
December 29 55.8 37.1 67 17
December 30 55.9 37.1 66 19
December 31 55.9 37.1 72 18
Weather Station Details
Years Station Coordinates
1999–2024 Vacaville Nut Tree Airport location
1893–1998 Vacaville location