Weather on May 1
Fairfield, CA
55 Years of Data
Avg High
78°F
Avg Low
50°F
Warmest
1996
79°F avg
Coldest
1991
53°F avg
About This Date
May 1st in Fairfield, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 50°F — a 28°F daily swing. Over 55 years of records, the warmest May 1st was in 1996 (79°F average), while the coldest was 1991 (53°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 1st dates historically, with the wettest May 1st recording 1.7" 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 May 1st in Fairfield, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 52° | 65° | — | — |
| 2024 | 80° | 51° | 66° | — | — |
| 2023 | 62° | 47° | 54° | — | — |
| 2022 | 81° | 45° | 63° | — | — |
| 2021 | 78° | 50° | 64° | — | — |
| 2020 | 79° | 46° | 62° | — | — |
| 2019 | 77° | 48° | 63° | — | — |
| 2018 | 74° | 46° | 60° | — | — |
| 2017 | 91° | 56° | 73° | — | — |
| 2016 | 84° | 58° | 71° | — | — |
| 2015 | 88° | 57° | 72° | — | — |
| 2014 | 92° | 59° | 75° | — | — |
| 2013 | 88° | 60° | 74° | — | — |
| 2012 | 71° | 49° | 60° | — | — |
| 2011 | 76° | 48° | 62° | — | — |
| 2010 | 73° | 51° | 62° | — | — |
| 2009 | 68° | 57° | 63° | — | — |
| 2008 | 71° | 45° | 58° | — | — |
| 2007 | 83° | 46° | 64° | — | — |
| 2006 | 83° | 52° | 67° | — | — |
| 2005 | 68° | 47° | 57° | — | — |
| 2004 | 89° | 50° | 70° | — | — |
| 2003 | 71° | 44° | 58° | — | — |
| 2002 | 68° | 47° | 57° | — | — |
| 2001 | 84° | 51° | 68° | — | — |
| 2000 | 83° | 50° | 66° | — | — |
| 1999 | 82° | 52° | 67° | — | — |
| 1998 | 73° | 57° | 65° | — | — |
| 1997 | 75° | 50° | 63° | — | — |
| 1996warmest | 97° | 61° | 79° | — | — |
| 1995 | 70° | 58° | 64° | 1.7" | — |
| 1994 | 72° | 49° | 60° | — | — |
| 1993 | 84° | 62° | 73° | — | — |
| 1992 | 83° | 50° | 66° | — | — |
| 1991coldest | 59° | 46° | 53° | — | — |
| 1990 | 85° | 61° | 73° | — | — |
| 1989 | 78° | 52° | 65° | — | — |
| 1988 | 69° | 45° | 57° | — | — |
| 1987 | 65° | 48° | 56° | — | — |
| 1986 | 81° | 43° | 62° | — | — |
| 1985 | 91° | 46° | 69° | — | — |
| 1984 | 78° | 46° | 62° | — | — |
| 1983 | 68° | 46° | 57° | 0.86" | — |
| 1982 | 74° | 45° | 59° | — | — |
| 1981 | 95° | 50° | 73° | — | — |
| 1980 | 86° | 51° | 69° | — | — |
| 1979 | 69° | 49° | 59° | — | — |
| 1978 | 69° | 52° | 60° | — | — |
| 1977 | 74° | 53° | 63° | 0.43" | — |
| 1976 | 85° | 51° | 68° | — | — |
| 1975 | 74° | 49° | 61° | — | — |
| 1974 | 74° | 48° | 61° | — | — |
| 1973 | 78° | 44° | 61° | — | — |
| 1972 | 85° | 47° | 66° | — | — |
| 1971 | 70° | 48° | 59° | — | — |
55 years of data from FAIRFIELD