Weather on December 23
Fairfield, CA
55 Years of Data
Avg High
55°F
Avg Low
37°F
Warmest
2005
59°F avg
Coldest
1990
31°F avg
About This Date
December 23rd in Fairfield, CA typically brings cool winter weather, with average highs around 55°F and lows near 37°F. Over 55 years of records, the warmest December 23rd was in 2005 (59°F average), while the coldest was 1990 (31°F) — a 28°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 4.5" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Fairfield, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 53° | 58° | 0.05" | — |
| 2024 | 58° | 51° | 54° | 0.89" | — |
| 2023 | 60° | 42° | 51° | — | — |
| 2022 | 55° | 41° | 48° | — | — |
| 2021 | 58° | 46° | 52° | 2.34" | — |
| 2020 | 54° | 31° | 42° | — | — |
| 2019 | 56° | 37° | 46° | 0.05" | — |
| 2018 | 57° | 43° | 50° | — | — |
| 2017 | 55° | 32° | 44° | — | — |
| 2016 | 51° | 42° | 47° | 1.63" | — |
| 2015 | 57° | 44° | 51° | — | — |
| 2014 | 64° | 47° | 55° | — | — |
| 2013 | 65° | 38° | 51° | — | — |
| 2012 | 54° | 46° | 50° | 4.5" | — |
| 2011 | 56° | 34° | 45° | — | — |
| 2010 | 58° | 25° | 41° | 0.15" | — |
| 2009 | 54° | 36° | 45° | — | — |
| 2008 | 52° | 36° | 44° | — | — |
| 2007 | 55° | 35° | 45° | — | — |
| 2006 | 59° | 35° | 47° | — | — |
| 2005warmest | 62° | 56° | 59° | 2.36" | — |
| 2004 | 73° | 36° | 54° | — | — |
| 2003 | 50° | 48° | 49° | 0.43" | — |
| 2002 | 56° | 38° | 47° | — | — |
| 2001 | 53° | 43° | 48° | 0.71" | — |
| 2000 | 59° | 39° | 49° | — | — |
| 1999 | 57° | 36° | 46° | — | — |
| 1998 | 50° | 21° | 36° | — | — |
| 1997 | 57° | 31° | 44° | — | — |
| 1996 | 57° | 43° | 50° | 1.78" | — |
| 1995 | 56° | 42° | 49° | — | — |
| 1994 | 42° | 37° | 40° | — | — |
| 1993 | 47° | 29° | 38° | — | — |
| 1992 | 44° | 32° | 38° | — | — |
| 1991 | 63° | 35° | 49° | — | — |
| 1990coldest | 42° | 19° | 31° | — | — |
| 1989 | 42° | 35° | 39° | — | — |
| 1988 | 52° | 36° | 44° | 1.22" | — |
| 1987 | 55° | 42° | 49° | — | — |
| 1986 | 48° | 38° | 43° | 0.15" | — |
| 1985 | 42° | 25° | 33° | — | — |
| 1984 | 50° | 22° | 36° | — | — |
| 1983 | 46° | 35° | 41° | 1.78" | — |
| 1982 | 59° | 39° | 49° | 2.13" | — |
| 1981 | 58° | 38° | 48° | — | — |
| 1980 | 55° | 46° | 51° | — | — |
| 1979 | 62° | 30° | 46° | 0.1" | — |
| 1978 | 40° | 28° | 34° | 0.03" | — |
| 1977 | 57° | 42° | 50° | 3.66" | — |
| 1976 | 54° | 30° | 42° | — | — |
| 1975 | 55° | 35° | 45° | — | — |
| 1974 | 55° | 40° | 47° | — | — |
| 1973 | 56° | 38° | 47° | — | — |
| 1972 | 61° | 39° | 50° | — | — |
| 1971 | 56° | 37° | 46° | 1.8" | — |
55 years of data from FAIRFIELD