Weather on May 15
Fairfield, CA
55 Years of Data
Avg High
78°F
Avg Low
51°F
Warmest
2014
77°F avg
Coldest
2011
52°F avg
About This Date
May 15th in Fairfield, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 51°F — a 27°F daily swing. Over 55 years of records, the warmest May 15th was in 2014 (77°F average), while the coldest was 2011 (52°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 15th dates historically, with the wettest May 15th recording 5.51" 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 15th in Fairfield, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 52° | 68° | — | — |
| 2024 | 83° | 55° | 69° | — | — |
| 2023 | 82° | 53° | 68° | — | — |
| 2022 | 82° | 56° | 69° | — | — |
| 2021 | 69° | 51° | 60° | — | — |
| 2020 | 79° | 51° | 65° | — | — |
| 2019 | 64° | 55° | 60° | 0.94" | — |
| 2018 | 69° | 53° | 61° | — | — |
| 2017 | 72° | 44° | 58° | — | — |
| 2016 | 79° | 53° | 66° | — | — |
| 2015 | 70° | 48° | 59° | — | — |
| 2014warmest | 95° | 59° | 77° | — | — |
| 2013 | 77° | 51° | 64° | — | — |
| 2012 | 77° | 51° | 64° | — | — |
| 2011coldest | 60° | 44° | 52° | — | — |
| 2010 | 76° | 49° | 62° | — | — |
| 2009 | 80° | 56° | 68° | — | — |
| 2008 | 94° | 49° | 71° | — | — |
| 2007 | 84° | 50° | 67° | — | — |
| 2006 | 84° | 64° | 74° | — | — |
| 2005 | 80° | 59° | 70° | — | — |
| 2004 | 80° | 52° | 66° | — | — |
| 2003 | 74° | 49° | 61° | — | — |
| 2002 | 83° | 50° | 66° | — | — |
| 2001 | 80° | 53° | 67° | — | — |
| 2000 | 63° | 52° | 57° | 0.81" | — |
| 1999 | 70° | 44° | 57° | — | — |
| 1998 | 65° | 46° | 55° | — | — |
| 1997 | 87° | 58° | 72° | — | — |
| 1996 | 73° | 60° | 67° | 5.51" | — |
| 1995 | 70° | 48° | 59° | — | — |
| 1994 | 67° | 55° | 61° | — | — |
| 1993 | 81° | 49° | 65° | — | — |
| 1992 | 75° | 50° | 63° | — | — |
| 1991 | 82° | 45° | 63° | — | — |
| 1990 | 78° | 50° | 64° | — | — |
| 1989 | 78° | 51° | 65° | 0.03" | — |
| 1988 | 77° | 52° | 64° | — | — |
| 1987 | 83° | 62° | 72° | — | — |
| 1986 | 87° | 46° | 67° | — | — |
| 1985 | 87° | 47° | 67° | — | — |
| 1984 | 78° | 50° | 64° | — | — |
| 1983 | 81° | 53° | 67° | — | — |
| 1982 | 81° | 49° | 65° | — | — |
| 1981 | 76° | 50° | 63° | — | — |
| 1980 | 78° | 46° | 62° | — | — |
| 1979 | 88° | 46° | 67° | — | — |
| 1978 | 71° | 52° | 61° | 0.13" | — |
| 1977 | 68° | 45° | 56° | — | — |
| 1976 | 82° | 55° | 69° | — | — |
| 1975 | 63° | 47° | 55° | — | — |
| 1974 | 74° | 49° | 61° | — | — |
| 1973 | 75° | 55° | 65° | — | — |
| 1972 | 93° | 52° | 72° | — | — |
| 1971 | 78° | 51° | 65° | — | — |
55 years of data from FAIRFIELD