Weather on December 22
Vacaville, CA
55 Years of Data
About This Date
December 22nd in Vacaville, CA typically brings cool winter weather, with average highs around 55°F and lows near 38°F. Over 55 years of records, the warmest December 22nd was in 2005 (59°F average), while the coldest was 1990 (27°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 38% of December 22nd dates historically, with the wettest December 22nd recording 3.05" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 22nd in Vacaville, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 55° | 58° | 1.73" | — |
| 2024 | 55° | 50° | 53° | 0.84" | — |
| 2023 | 69° | 41° | 55° | — | — |
| 2022 | 47° | 41° | 44° | — | — |
| 2021 | 48° | 42° | 45° | — | — |
| 2020 | 62° | 36° | 49° | — | — |
| 2019 | 55° | 34° | 44° | 1.17" | — |
| 2018 | 56° | 33° | 44° | — | — |
| 2017 | 54° | 26° | 40° | — | — |
| 2016 | 62° | 31° | 47° | — | — |
| 2015 | 67° | 51° | 59° | 0.71" | — |
| 2014 | 67° | 50° | 58° | — | — |
| 2013 | 64° | 29° | 47° | — | — |
| 2012 | 57° | 45° | 51° | 3.05" | — |
| 2011 | 61° | 28° | 45° | — | — |
| 2010 | 58° | 43° | 50° | 0.76" | — |
| 2009 | 56° | 41° | 48° | — | — |
| 2008 | 55° | 41° | 48° | 0.03" | — |
| 2007 | 50° | 30° | 40° | — | — |
| 2006 | 59° | 37° | 48° | — | — |
| 2005warmest | 62° | 56° | 59° | 2.62" | — |
| 2004 | 58° | 38° | 48° | — | — |
| 2003 | 50° | 36° | 43° | — | — |
| 2002 | 57° | 35° | 46° | — | — |
| 2001 | 50° | 43° | 46° | 1.32" | — |
| 2000 | 61° | 39° | 50° | 0.03" | — |
| 1999 | 70° | 38° | 54° | — | — |
| 1998 | 50° | 20° | 35° | — | — |
| 1997 | 56° | 42° | 49° | — | — |
| 1996 | 57° | 41° | 49° | 1.42" | — |
| 1995 | 47° | 35° | 41° | 0.36" | — |
| 1994 | 45° | 35° | 40° | — | — |
| 1993 | 41° | 34° | 37° | — | — |
| 1992 | 54° | 30° | 42° | — | — |
| 1991 | 55° | 33° | 44° | — | — |
| 1990coldest | 37° | 18° | 27° | — | — |
| 1989 | 42° | 36° | 39° | — | — |
| 1988 | 54° | 35° | 44° | 2.24" | — |
| 1987 | 55° | 42° | 49° | 0.3" | — |
| 1986 | 48° | 40° | 44° | 0.53" | — |
| 1985 | 49° | 24° | 36° | — | — |
| 1984 | 57° | 27° | 42° | — | — |
| 1983 | 42° | 40° | 41° | — | — |
| 1982 | 58° | 40° | 49° | 3.05" | — |
| 1981 | 60° | 35° | 48° | — | — |
| 1980 | 56° | 48° | 52° | 0.13" | — |
| 1979 | 56° | 35° | 45° | — | — |
| 1978 | 46° | 29° | 37° | — | — |
| 1977 | 57° | 46° | 52° | 1.02" | — |
| 1976 | 53° | 28° | 41° | — | — |
| 1975 | 51° | 43° | 47° | 0.36" | — |
| 1974 | 54° | 32° | 43° | — | — |
| 1973 | 53° | 37° | 45° | 0.69" | — |
| 1972 | 62° | 51° | 57° | — | — |
| 1971 | 54° | 38° | 46° | 2.11" | — |
Vacaville, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Vacaville, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Vacaville, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Vacaville, CA
Vacaville, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.