Weather on December 23
Vallejo, CA
55 Years of Data
Avg High
55°F
Avg Low
38°F
Warmest
2005
60°F avg
Coldest
1990
30°F avg
About This Date
December 23rd in Vallejo, 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 23rd was in 2005 (60°F average), while the coldest was 1990 (30°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 35% of December 23rd dates historically, with the wettest December 23rd recording 3" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Vallejo, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 55° | 58° | — | — |
| 2024 | 57° | 53° | 55° | 0.64" | — |
| 2023 | 59° | 37° | 48° | — | — |
| 2022 | 54° | 41° | 47° | — | — |
| 2021 | 56° | 46° | 51° | 2.95" | — |
| 2020 | 57° | 38° | 47° | — | — |
| 2019 | 56° | 38° | 47° | 0.03" | — |
| 2018 | 60° | 43° | 51° | 0.05" | — |
| 2017 | 54° | 35° | 44° | — | — |
| 2016 | 61° | 43° | 52° | 1.68" | — |
| 2015 | 58° | 40° | 49° | — | — |
| 2014 | 65° | 43° | 54° | — | — |
| 2013 | 64° | 32° | 48° | — | — |
| 2012 | 57° | 46° | 52° | 1.65" | — |
| 2011 | 57° | 20° | 38° | — | — |
| 2010 | 54° | 38° | 46° | — | — |
| 2009 | 55° | 28° | 42° | — | — |
| 2008 | 50° | 32° | 41° | — | — |
| 2007 | 58° | 30° | 44° | — | — |
| 2006 | 54° | 34° | 44° | — | — |
| 2005warmest | 62° | 57° | 60° | — | — |
| 2004 | 66° | 37° | 52° | — | — |
| 2003 | 56° | 48° | 52° | 0.46" | — |
| 2002 | 60° | 35° | 48° | — | — |
| 2001 | 57° | 39° | 48° | 0.15" | — |
| 2000 | 52° | 31° | 41° | — | — |
| 1999 | 67° | 36° | 51° | — | — |
| 1998 | 50° | 24° | 37° | — | — |
| 1997 | 55° | 33° | 44° | — | — |
| 1996 | 58° | 43° | 50° | 0.56" | — |
| 1995 | 53° | 44° | 49° | 0.08" | — |
| 1994 | 44° | 37° | 41° | — | — |
| 1993 | 50° | 30° | 40° | — | — |
| 1992 | 52° | 35° | 43° | — | — |
| 1991 | 62° | 35° | 49° | — | — |
| 1990coldest | 40° | 21° | 30° | — | — |
| 1989 | 43° | 35° | 39° | — | — |
| 1988 | 53° | 38° | 45° | 0.2" | — |
| 1987 | 55° | 36° | 45° | — | — |
| 1986 | 56° | 42° | 49° | 0.36" | — |
| 1985 | 38° | 33° | 35° | — | — |
| 1984 | 42° | 30° | 36° | — | — |
| 1983 | 41° | 32° | 37° | 1.5" | — |
| 1982 | 53° | 43° | 48° | 2.06" | — |
| 1981 | 59° | 41° | 50° | — | — |
| 1980 | 58° | 50° | 54° | — | — |
| 1979 | 54° | 40° | 47° | 0.08" | — |
| 1978 | 42° | 32° | 37° | — | — |
| 1977 | 63° | 47° | 55° | 3" | — |
| 1976 | 52° | 43° | 47° | — | — |
| 1975 | 56° | 39° | 47° | — | — |
| 1974 | 55° | 34° | 44° | 0.03" | — |
| 1973 | 55° | 38° | 46° | — | — |
| 1972 | 59° | 40° | 49° | 0.03" | — |
| 1971 | 57° | 40° | 48° | 0.66" | — |
55 years of data from VALLEJO