Weather on May 11
Fontana, CA
55 Years of Data
Avg High
80°F
Avg Low
54°F
Warmest
1996
81°F avg
Coldest
1980
51°F avg
About This Date
May 11th 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 11th was in 1996 (81°F average), while the coldest was 1980 (51°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 11th dates historically. 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 11th in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 65° | 81° | — | — |
| 2024 | 81° | 57° | 69° | — | — |
| 2023 | 73° | 53° | 63° | — | — |
| 2022 | 71° | 46° | 59° | — | — |
| 2021 | 83° | 56° | 69° | — | — |
| 2020 | 81° | 58° | 69° | — | — |
| 2019 | 82° | 59° | 71° | — | — |
| 2018 | 67° | 56° | 61° | — | — |
| 2017 | 79° | 56° | 67° | — | — |
| 2016 | 83° | 58° | 70° | — | — |
| 2015 | 86° | 57° | 72° | — | — |
| 2014 | 84° | 50° | 67° | — | — |
| 2013 | 97° | 60° | 78° | — | — |
| 2012 | 80° | 56° | 68° | — | — |
| 2011 | 76° | 51° | 63° | — | — |
| 2010 | 69° | 49° | 59° | — | — |
| 2009 | 83° | 55° | 69° | 0.08" | — |
| 2008 | 75° | 53° | 64° | — | — |
| 2007 | 84° | 54° | 69° | — | — |
| 2006 | 87° | 56° | 71° | — | — |
| 2005 | 78° | 50° | 64° | — | — |
| 2004 | 75° | 56° | 65° | — | — |
| 2003 | 81° | 51° | 66° | — | — |
| 2002 | 77° | 53° | 65° | — | — |
| 2001 | 87° | 55° | 71° | — | — |
| 2000 | 73° | 54° | 63° | — | — |
| 1999 | 81° | 51° | 66° | — | — |
| 1998 | 67° | 54° | 60° | — | — |
| 1997 | 89° | 61° | 75° | — | — |
| 1996warmest | 102° | 59° | 81° | — | — |
| 1995 | 74° | 55° | 64° | — | — |
| 1994 | 77° | 57° | 67° | — | — |
| 1993 | 96° | 56° | 76° | — | — |
| 1992 | 74° | 63° | 68° | — | — |
| 1991 | 73° | 47° | 60° | 0.08" | — |
| 1990 | 71° | 54° | 62° | — | — |
| 1989 | 64° | 50° | 57° | — | — |
| 1988 | 100° | 58° | 79° | — | — |
| 1987 | 73° | 60° | 67° | — | — |
| 1986 | 82° | 47° | 64° | — | — |
| 1985 | 72° | 49° | 60° | — | — |
| 1984 | 91° | 51° | 71° | — | — |
| 1983 | 73° | 40° | 56° | — | — |
| 1982 | 61° | 47° | 54° | — | — |
| 1981 | 88° | 50° | 69° | — | — |
| 1980coldest | 59° | 42° | 51° | — | — |
| 1979 | 89° | 47° | 68° | — | — |
| 1978 | 80° | 54° | 67° | — | — |
| 1977 | 73° | 47° | 60° | — | — |
| 1976 | 94° | 57° | 75° | — | — |
| 1975 | 88° | 57° | 72° | — | — |
| 1974 | 76° | 54° | 65° | — | — |
| 1973 | 86° | 55° | 71° | — | — |
| 1972 | 92° | 56° | 74° | — | — |
| 1971 | 80° | 55° | 68° | — | — |
55 years of data from FONTANA KAISER