Weather on December 23
Vacaville, CA
55 Years of Data
About This Date
December 23rd in Vacaville, CA typically brings cool winter weather, with average highs around 55°F and lows near 36°F. Over 55 years of records, the warmest December 23rd was in 2005 (58°F average), while the coldest was 1990 (29°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 23rd dates historically, with the wettest December 23rd recording 1.85" 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 23rd in Vacaville, CA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 52° | 56° | 0.04" | — |
| 2024 | 58° | 53° | 55° | 0.04" | — |
| 2023 | 61° | 34° | 47° | — | — |
| 2022 | 57° | 37° | 47° | — | — |
| 2021 | 59° | 48° | 54° | — | — |
| 2020 | 54° | 32° | 43° | — | — |
| 2019 | 58° | 33° | 45° | — | — |
| 2018 | 58° | 41° | 49° | — | — |
| 2017 | 55° | 33° | 44° | — | — |
| 2016 | 52° | 41° | 46° | 0.49" | — |
| 2015 | 59° | 43° | 51° | — | — |
| 2014 | 64° | 44° | 54° | — | — |
| 2013 | 64° | 30° | 47° | — | — |
| 2012 | 53° | 44° | 49° | 1.85" | — |
| 2011 | 56° | 24° | 40° | — | — |
| 2010 | 57° | 37° | 47° | — | — |
| 2009 | 60° | 35° | 48° | — | — |
| 2008 | 51° | 35° | 43° | 0.03" | — |
| 2007 | 56° | 34° | 45° | — | — |
| 2006 | 52° | 31° | 41° | — | — |
| 2005warmest | 65° | 51° | 58° | — | — |
| 2004 | 64° | 37° | 51° | — | — |
| 2003 | 54° | 45° | 49° | 0.63" | — |
| 2002 | 56° | 34° | 45° | — | — |
| 2001 | 55° | 46° | 51° | 0.04" | — |
| 2000 | 53° | 34° | 43° | — | — |
| 1999 | 63° | 33° | 48° | — | — |
| 1998 | 44° | 17° | 31° | — | — |
| 1997 | 61° | 39° | 50° | — | — |
| 1996 | 61° | 43° | 52° | 0.12" | — |
| 1995 | 54° | 41° | 47° | — | — |
| 1994 | 42° | 35° | 39° | — | — |
| 1993 | 46° | 23° | 35° | — | — |
| 1992 | 45° | 28° | 36° | — | — |
| 1991 | 64° | 34° | 49° | — | — |
| 1990coldest | 41° | 18° | 29° | — | — |
| 1989 | 42° | 35° | 39° | — | — |
| 1988 | 51° | 34° | 42° | — | — |
| 1987 | 51° | 40° | 45° | — | — |
| 1986 | 61° | 36° | 48° | — | — |
| 1985 | 42° | 25° | 33° | — | — |
| 1984 | 45° | 25° | 35° | — | — |
| 1983 | 42° | 35° | 39° | 0.7" | — |
| 1982 | 55° | 40° | 47° | — | — |
| 1981 | 60° | 38° | 49° | — | — |
| 1980 | 63° | 46° | 54° | — | — |
| 1979 | 49° | 35° | 42° | 1.01" | — |
| 1978 | 37° | 30° | 34° | — | — |
| 1977 | 64° | 50° | 57° | 1.6" | — |
| 1976 | 58° | 37° | 47° | — | — |
| 1975 | 60° | 35° | 48° | — | — |
| 1974 | 52° | 32° | 42° | — | — |
| 1973 | 48° | 37° | 43° | 0.27" | — |
| 1972 | 58° | 36° | 47° | — | — |
| 1971 | 54° | 37° | 45° | 0.31" | — |
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
Most pleasant months in Vacaville, CA: March, April, May, October, November.
What to expect on December 23rd
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
December 23rd outlook →