Weather on May 22
Fontana, CA
55 Years of Data
Avg High
80°F
Avg Low
54°F
Warmest
1988
78°F avg
Coldest
2015
58°F avg
About This Date
May 22nd in Fontana, CA typically brings warm spring weather, with average highs around 80°F and lows near 54°F — a 26°F daily swing. Over 55 years of records, the warmest May 22nd was in 1988 (78°F average), while the coldest was 2015 (58°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 22nd dates historically, with the wettest May 22nd recording 1.09" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for May 22nd in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 61° | 75° | — | — |
| 2024 | 75° | 53° | 64° | — | — |
| 2023 | 80° | 60° | 70° | — | — |
| 2022 | 80° | 57° | 69° | — | — |
| 2021 | 72° | 50° | 61° | — | — |
| 2020 | 82° | 58° | 70° | — | — |
| 2019 | 68° | 54° | 61° | 0.48" | — |
| 2018 | 70° | 53° | 61° | — | — |
| 2017 | 94° | 62° | 78° | — | — |
| 2016 | 74° | 49° | 61° | — | — |
| 2015coldest | 63° | 54° | 58° | — | — |
| 2014 | 71° | 55° | 63° | — | — |
| 2013 | 80° | 61° | 70° | — | — |
| 2012 | 89° | 60° | 75° | — | — |
| 2011 | 71° | 54° | 62° | — | — |
| 2010 | 69° | 51° | 60° | — | — |
| 2009 | 80° | 56° | 68° | — | — |
| 2008 | 69° | 54° | 61° | 0.38" | — |
| 2007 | 73° | 56° | 64° | — | — |
| 2006 | 68° | 55° | 62° | 1.09" | — |
| 2005 | 96° | 61° | 78° | — | — |
| 2004 | 73° | 56° | 64° | — | — |
| 2003 | 92° | 60° | 76° | — | — |
| 2002 | 78° | 48° | 63° | — | — |
| 2001 | 93° | 58° | 75° | — | — |
| 2000 | 88° | 59° | 73° | — | — |
| 1999 | 66° | 52° | 59° | — | — |
| 1998 | 76° | 51° | 63° | — | — |
| 1997 | 83° | 58° | 70° | — | — |
| 1996 | 76° | 58° | 67° | — | — |
| 1995 | 69° | 53° | 61° | — | — |
| 1994 | 80° | 51° | 66° | — | — |
| 1993 | 82° | 56° | 69° | — | — |
| 1992 | 83° | 57° | 70° | — | — |
| 1991 | 76° | 53° | 64° | — | — |
| 1990 | 89° | 54° | 71° | — | — |
| 1989 | 88° | 53° | 70° | — | — |
| 1988warmest | 96° | 60° | 78° | — | — |
| 1987 | 81° | 50° | 65° | — | — |
| 1986 | 82° | 53° | 68° | — | — |
| 1985 | 92° | 52° | 72° | — | — |
| 1984 | 95° | 54° | 74° | — | — |
| 1983 | 85° | 53° | 69° | — | — |
| 1982 | 74° | 57° | 65° | — | — |
| 1981 | 78° | 48° | 63° | — | — |
| 1980 | 66° | 52° | 59° | — | — |
| 1979 | 90° | 48° | 69° | — | — |
| 1978 | 80° | 49° | 64° | — | — |
| 1977 | 82° | 56° | 69° | — | — |
| 1976 | 80° | 52° | 66° | — | — |
| 1975 | 73° | 46° | 60° | — | — |
| 1974 | 90° | 53° | 71° | — | — |
| 1973 | 81° | 54° | 67° | — | — |
| 1972 | 82° | 51° | 67° | — | — |
| 1971 | 68° | 52° | 60° | — | — |
55 years of data from FONTANA KAISER