Weather on May 15
Fairfield, CA
55 Years of Data
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 56 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 |
|---|---|---|---|---|---|
| 2026 | 83° | 54° | 68° | — | — |
| 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° | — | — |
Fairfield, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Fairfield, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Fairfield, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Fairfield, CA
Fairfield, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.