Weather on May 1
Fontana, CA
55 Years of Data
Avg High
79°F
Avg Low
53°F
Warmest
2014
80°F avg
Coldest
2018
53°F avg
About This Date
May 1st in Fontana, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 53°F — a 26°F daily swing. Over 55 years of records, the warmest May 1st was in 2014 (80°F average), while the coldest was 2018 (53°F) — a 27°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 0.84" 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 Fontana, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 55° | 64° | — | — |
| 2024 | 76° | 57° | 66° | — | — |
| 2023 | 67° | 53° | 60° | 0.05" | — |
| 2022 | 76° | 53° | 64° | — | — |
| 2021 | 85° | 57° | 71° | — | — |
| 2020 | 82° | 60° | 71° | — | — |
| 2019 | 78° | 57° | 68° | — | — |
| 2018coldest | 55° | 50° | 53° | 0.08" | — |
| 2017 | 90° | 57° | 73° | — | — |
| 2016 | 77° | 50° | 64° | — | — |
| 2015 | 93° | 64° | 79° | — | — |
| 2014warmest | 94° | 67° | 80° | — | — |
| 2013 | 87° | 59° | 73° | — | — |
| 2012 | 63° | 56° | 59° | — | — |
| 2011 | 81° | 49° | 65° | — | — |
| 2010 | 75° | 46° | 61° | — | — |
| 2009 | 78° | 56° | 67° | — | — |
| 2008 | 78° | 49° | 63° | — | — |
| 2007 | 76° | 57° | 66° | — | — |
| 2006 | 81° | 55° | 68° | — | — |
| 2005 | 73° | 52° | 62° | — | — |
| 2004 | 94° | 55° | 74° | — | — |
| 2003 | 71° | 49° | 60° | — | — |
| 2002 | 65° | 47° | 56° | — | — |
| 2001 | 80° | 52° | 66° | — | — |
| 2000 | 89° | 55° | 72° | — | — |
| 1999 | 71° | 42° | 57° | — | — |
| 1998 | 76° | 56° | 66° | — | — |
| 1997 | 82° | 54° | 68° | — | — |
| 1996 | 94° | 56° | 75° | — | — |
| 1995 | 81° | 59° | 70° | — | — |
| 1994 | 72° | 52° | 62° | — | — |
| 1993 | 94° | 59° | 76° | — | — |
| 1992 | 86° | 54° | 70° | — | — |
| 1991 | 71° | 54° | 62° | — | — |
| 1990 | 77° | 46° | 62° | — | — |
| 1989 | 85° | 52° | 68° | — | — |
| 1988 | 73° | 44° | 59° | — | — |
| 1987 | 76° | 56° | 66° | — | — |
| 1986 | 82° | 52° | 67° | — | — |
| 1985 | 91° | 48° | 70° | — | — |
| 1984 | 74° | 43° | 58° | — | — |
| 1983 | 63° | 47° | 55° | — | — |
| 1982 | 75° | 53° | 64° | — | — |
| 1981 | 81° | 55° | 68° | — | — |
| 1980 | 65° | 53° | 59° | — | — |
| 1979 | 69° | 52° | 60° | 0.84" | — |
| 1978 | 65° | 48° | 56° | — | — |
| 1977 | 77° | 55° | 66° | — | — |
| 1976 | 96° | 53° | 75° | — | — |
| 1975 | 71° | 52° | 61° | — | — |
| 1974 | 88° | 50° | 69° | — | — |
| 1973 | 78° | 49° | 63° | — | — |
| 1972 | 89° | 57° | 73° | — | — |
| 1971 | 82° | 52° | 67° | — | — |
55 years of data from FONTANA KAISER