Weather on December 4
Fairfield, CA
55 Years of Data
Avg High
59°F
Avg Low
40°F
Warmest
2014
61°F avg
Coldest
1984
42°F avg
About This Date
December 4th in Fairfield, CA typically brings cool winter weather, with average highs around 59°F and lows near 40°F. Over 55 years of records, the warmest December 4th was in 2014 (61°F average), while the coldest was 1984 (42°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 4th dates historically, with the wettest December 4th recording 5.03" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for December 4th in Fairfield, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 51° | 38° | 44° | — | — |
| 2024 | 66° | — | — | — | — |
| 2023 | 68° | 46° | 57° | 0.08" | — |
| 2022 | 57° | 40° | 48° | 0.48" | — |
| 2021 | — | 42° | — | — | — |
| 2020 | 68° | 40° | 54° | — | — |
| 2019 | 55° | 50° | 53° | 1.12" | — |
| 2018 | 55° | 49° | 52° | — | — |
| 2017 | 62° | 42° | 52° | — | — |
| 2016 | 60° | 38° | 49° | — | — |
| 2015 | 60° | 41° | 51° | 0.1" | — |
| 2014warmest | 66° | 55° | 61° | 0.91" | — |
| 2013 | 57° | 37° | 47° | — | — |
| 2012 | 59° | 49° | 54° | 0.23" | — |
| 2011 | 61° | 37° | 49° | — | — |
| 2010 | 55° | 42° | 49° | 0.03" | — |
| 2009 | 57° | 35° | 46° | — | — |
| 2008 | 57° | 41° | 49° | — | — |
| 2007 | 67° | 44° | 55° | 0.51" | — |
| 2006 | 65° | 33° | 49° | — | — |
| 2005 | 58° | 37° | 47° | — | — |
| 2004 | 55° | 29° | 42° | — | — |
| 2003 | 58° | 46° | 52° | — | — |
| 2002 | 63° | 39° | 51° | — | — |
| 2001 | 55° | 37° | 46° | — | — |
| 2000 | 52° | 36° | 44° | — | — |
| 1999 | 63° | 35° | 49° | — | — |
| 1998 | 56° | 36° | 46° | — | — |
| 1997 | 55° | 49° | 52° | — | — |
| 1996 | 56° | 37° | 46° | — | — |
| 1995 | 71° | 45° | 58° | 0.48" | — |
| 1994 | 51° | 47° | 49° | 3.96" | — |
| 1993 | 64° | 45° | 54° | 0.05" | — |
| 1992 | 62° | 41° | 52° | — | — |
| 1991 | 61° | 34° | 47° | — | — |
| 1990 | 62° | 35° | 49° | — | — |
| 1989 | 67° | 40° | 53° | — | — |
| 1988 | 66° | 38° | 52° | — | — |
| 1987 | 55° | 52° | 53° | — | — |
| 1986 | 56° | 45° | 50° | — | — |
| 1985 | 61° | 39° | 50° | — | — |
| 1984coldest | 53° | 31° | 42° | 1.14" | — |
| 1983 | 60° | 33° | 47° | 0.23" | — |
| 1982 | 58° | 41° | 49° | — | — |
| 1981 | 52° | 37° | 44° | — | — |
| 1980 | 58° | 40° | 49° | 3.38" | — |
| 1979 | 64° | 34° | 49° | — | — |
| 1978 | 60° | 33° | 47° | — | — |
| 1977 | 63° | 42° | 52° | — | — |
| 1976 | 66° | 32° | 49° | — | — |
| 1975 | 62° | 37° | 50° | — | — |
| 1974 | 57° | 45° | 51° | 5.03" | — |
| 1973 | 54° | 34° | 44° | — | — |
| 1972 | 52° | 35° | 43° | 0.15" | — |
| 1971 | 59° | 35° | 47° | — | — |
55 years of data from FAIRFIELD