Vacaville January Weather

Averages and records for weather in Vacaville, California in the month of January.
Typical Vacaville January Weather
1991–2020
Average daily high 57.1 °F
Average daily low 38.3 °F
Average monthly precipitation 5.3 inches
Daily chance of precipitation 37.9%
Vacaville January Weather Records
1893–2024
Highest temperature 81 °F January 8, 1962
Lowest temperature 18 °F January 17, 2012
Highest daily low 62 °F January 1, 1914
Lowest daily high 35 °F January 7, 1968
Hottest average high temperature 66.9 °F 2014
Coldest average high temperature 47.1 °F 1937
Most daily precipitation 5.5 inches January 21, 1967
Most monthly precipitation 19.8 inches 1916
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
January 1 55.9 37.1 72 24
January 2 55.9 37.2 68 19
January 3 55.9 37.3 66 23
January 4 56.0 37.4 71 20
January 5 56.1 37.4 78 18
January 6 56.2 37.5 77 22
January 7 56.2 37.6 74 20
January 8 56.3 37.7 81 24
January 9 56.4 37.8 69 18
January 10 56.5 37.9 72 24
January 11 56.6 38.0 72 23
January 12 56.6 38.1 78 24
January 13 56.8 38.2 72 22
January 14 56.8 38.2 70 20
January 15 56.9 38.2 70 22
January 16 57.0 38.3 77 22
January 17 57.2 38.4 74 18
January 18 57.4 38.5 76 23
January 19 57.5 38.6 72 22
January 20 57.7 38.7 72 19
January 21 58.0 38.8 73 20
January 22 58.2 38.9 75 20
January 23 58.5 39.0 76 21
January 24 58.7 39.1 73 22
January 25 58.9 39.2 78 23
January 26 59.1 39.3 78 22
January 27 59.3 39.4 71 22
January 28 59.5 39.5 72 19
January 29 59.7 39.5 71 25
January 30 59.9 39.7 77 22
January 31 60.1 39.7 78 23
Weather Station Details
Years Station Coordinates
1999–2024 Vacaville Nut Tree Airport location
1893–1998 Vacaville location