Weather on May 4
Fontana, CA
55 Years of Data
Avg High
79°F
Avg Low
53°F
Warmest
2004
81°F avg
Coldest
2023
55°F avg
About This Date
May 4th 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 4th was in 2004 (81°F average), while the coldest was 2023 (55°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 11% of May 4th dates historically, with the wettest May 4th recording 1.78" 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 4th in Fontana, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 53° | 56° | 0.13" | — |
| 2024 | 65° | 54° | 59° | 0.05" | — |
| 2023coldest | 63° | 47° | 55° | 1.78" | — |
| 2022 | 89° | 54° | 71° | — | — |
| 2021 | 91° | 56° | 73° | — | — |
| 2020 | 90° | 56° | 73° | — | — |
| 2019 | 83° | 56° | 69° | — | — |
| 2018 | 92° | 56° | 74° | — | — |
| 2017 | 92° | 59° | 75° | — | — |
| 2016 | 80° | 54° | 67° | — | — |
| 2015 | 74° | 54° | 64° | — | — |
| 2014 | 87° | 60° | 74° | — | — |
| 2013 | 82° | 57° | 70° | — | — |
| 2012 | 72° | 57° | 64° | — | — |
| 2011 | 94° | 58° | 76° | — | — |
| 2010 | 82° | 56° | 69° | — | — |
| 2009 | 80° | 55° | 68° | — | — |
| 2008 | 74° | 53° | 63° | — | — |
| 2007 | 67° | 50° | 58° | — | — |
| 2006 | 70° | 57° | 63° | — | — |
| 2005 | 76° | 55° | 65° | — | — |
| 2004warmest | 95° | 66° | 81° | — | — |
| 2003 | 66° | 50° | 58° | — | — |
| 2002 | 78° | 49° | 63° | — | — |
| 2001 | 81° | 46° | 63° | — | — |
| 2000 | 81° | 57° | 69° | — | — |
| 1999 | 68° | 50° | 59° | — | — |
| 1998 | 75° | 56° | 65° | 0.13" | — |
| 1997 | 91° | 55° | 73° | — | — |
| 1996 | 84° | 55° | 70° | — | — |
| 1995 | 76° | 56° | 66° | — | — |
| 1994 | 79° | 51° | 65° | — | — |
| 1993 | 79° | 56° | 67° | — | — |
| 1992 | 85° | 56° | 70° | — | — |
| 1991 | 87° | 46° | 67° | — | — |
| 1990 | 97° | 54° | 75° | — | — |
| 1989 | 93° | 56° | 74° | — | — |
| 1988 | 79° | 51° | 65° | — | — |
| 1987 | 100° | 54° | 77° | — | — |
| 1986 | 76° | 46° | 61° | — | — |
| 1985 | 80° | 51° | 66° | — | — |
| 1984 | 83° | 49° | 66° | — | — |
| 1983 | 67° | 46° | 56° | — | — |
| 1982 | 72° | 56° | 64° | 0.18" | — |
| 1981 | 71° | 55° | 63° | — | — |
| 1980 | 83° | 49° | 66° | — | — |
| 1979 | 84° | 45° | 64° | — | — |
| 1978 | 73° | 54° | 63° | 0.03" | — |
| 1977 | 75° | 57° | 66° | — | — |
| 1976 | 77° | 50° | 64° | — | — |
| 1975 | 68° | 48° | 58° | — | — |
| 1974 | 76° | 53° | 64° | — | — |
| 1973 | 87° | 53° | 70° | — | — |
| 1972 | 77° | 57° | 67° | — | — |
| 1971 | 65° | 51° | 58° | — | — |
55 years of data from FONTANA KAISER