Weather on December 9
Fairfield, CA
55 Years of Data
Avg High
58°F
Avg Low
39°F
Warmest
1996
58°F avg
Coldest
1972
30°F avg
About This Date
December 9th in Fairfield, CA typically brings cool winter weather, with average highs around 58°F and lows near 39°F. Over 55 years of records, the warmest December 9th was in 1996 (58°F average), while the coldest was 1972 (30°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 35% of December 9th dates historically, with the wettest December 9th recording 6.22" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for December 9th in Fairfield, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 45° | 41° | 43° | 0.15" | — |
| 2024 | 63° | 36° | 49° | — | — |
| 2023 | 61° | 38° | 49° | — | — |
| 2022 | 53° | 40° | 46° | 0.3" | — |
| 2021 | 59° | 47° | 53° | 0.05" | — |
| 2020 | 69° | 38° | 53° | — | — |
| 2019 | 58° | 46° | 52° | 0.13" | — |
| 2018 | 60° | 38° | 49° | 0.05" | — |
| 2017 | 67° | 36° | 51° | — | — |
| 2016 | 57° | 47° | 52° | 0.51" | — |
| 2015 | 58° | 52° | 55° | 0.28" | — |
| 2014 | 60° | 53° | 57° | — | — |
| 2013 | 50° | 25° | 37° | — | — |
| 2012 | 64° | 43° | 53° | — | — |
| 2011 | 61° | 34° | 47° | — | — |
| 2010 | 53° | 49° | 51° | 0.86" | — |
| 2009 | 44° | 27° | 35° | — | — |
| 2008 | 53° | 33° | 43° | — | — |
| 2007 | 56° | 38° | 47° | — | — |
| 2006 | 60° | 40° | 50° | 0.74" | — |
| 2005 | 61° | 43° | 52° | — | — |
| 2004 | 64° | 49° | 56° | 0.84" | — |
| 2003 | 60° | 41° | 51° | — | — |
| 2002 | 53° | 42° | 48° | — | — |
| 2001 | 58° | 44° | 51° | 0.13" | — |
| 2000 | 65° | 45° | 55° | — | — |
| 1999 | 54° | 43° | 48° | 0.36" | — |
| 1998 | 61° | 37° | 49° | — | — |
| 1997 | 52° | 40° | 46° | — | — |
| 1996warmest | 62° | 54° | 58° | 0.84" | — |
| 1995 | 54° | 44° | 49° | — | — |
| 1994 | 54° | 30° | 42° | — | — |
| 1993 | 58° | 51° | 54° | 0.97" | — |
| 1992 | 56° | 46° | 51° | 6.22" | — |
| 1991 | 65° | 36° | 50° | — | — |
| 1990 | 66° | 37° | 52° | — | — |
| 1989 | 65° | 38° | 51° | — | — |
| 1988 | 60° | 38° | 49° | — | — |
| 1987 | 59° | 43° | 51° | 0.46" | — |
| 1986 | 60° | 32° | 46° | — | — |
| 1985 | 61° | 29° | 45° | — | — |
| 1984 | 57° | 46° | 52° | — | — |
| 1983 | 59° | 50° | 55° | 1.17" | — |
| 1982 | 62° | 33° | 48° | — | — |
| 1981 | 49° | 43° | 46° | — | — |
| 1980 | 57° | 24° | 41° | — | — |
| 1979 | 69° | 40° | 54° | — | — |
| 1978 | 50° | 29° | 39° | — | — |
| 1977 | 58° | 34° | 46° | — | — |
| 1976 | 64° | 32° | 48° | — | — |
| 1975 | 50° | 37° | 44° | 0.03" | — |
| 1974 | 53° | 39° | 46° | — | — |
| 1973 | 60° | 44° | 52° | — | — |
| 1972coldest | 41° | 19° | 30° | — | — |
| 1971 | 50° | 35° | 43° | 0.33" | — |
55 years of data from FAIRFIELD