Weather on December 23
Vacaville, CA
55 Years of Data
Avg High
55°F
Avg Low
36°F
Warmest
2005
58°F avg
Coldest
1990
29°F avg
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 4.7" 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.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 52° | 56° | 0.1" | — |
| 2024 | 58° | 53° | 55° | 0.1" | — |
| 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° | 1.24" | — |
| 2015 | 59° | 43° | 51° | — | — |
| 2014 | 64° | 44° | 54° | — | — |
| 2013 | 64° | 30° | 47° | — | — |
| 2012 | 53° | 44° | 49° | 4.7" | — |
| 2011 | 56° | 24° | 40° | — | — |
| 2010 | 57° | 37° | 47° | — | — |
| 2009 | 60° | 35° | 48° | — | — |
| 2008 | 51° | 35° | 43° | 0.08" | — |
| 2007 | 56° | 34° | 45° | — | — |
| 2006 | 52° | 31° | 41° | — | — |
| 2005warmest | 65° | 51° | 58° | — | — |
| 2004 | 64° | 37° | 51° | — | — |
| 2003 | 54° | 45° | 49° | 1.6" | — |
| 2002 | 56° | 34° | 45° | — | — |
| 2001 | 55° | 46° | 51° | 0.1" | — |
| 2000 | 53° | 34° | 43° | — | — |
| 1999 | 63° | 33° | 48° | — | — |
| 1998 | 44° | 17° | 31° | — | — |
| 1997 | 61° | 39° | 50° | — | — |
| 1996 | 61° | 43° | 52° | 0.3" | — |
| 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° | 1.78" | — |
| 1982 | 55° | 40° | 47° | — | — |
| 1981 | 60° | 38° | 49° | — | — |
| 1980 | 63° | 46° | 54° | — | — |
| 1979 | 49° | 35° | 42° | 2.57" | — |
| 1978 | 37° | 30° | 34° | — | — |
| 1977 | 64° | 50° | 57° | 4.06" | — |
| 1976 | 58° | 37° | 47° | — | — |
| 1975 | 60° | 35° | 48° | — | — |
| 1974 | 52° | 32° | 42° | — | — |
| 1973 | 48° | 37° | 43° | 0.69" | — |
| 1972 | 58° | 36° | 47° | — | — |
| 1971 | 54° | 37° | 45° | 0.79" | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS