Weather on May 30
Fontana, CA
55 Years of Data
Avg High
84°F
Avg Low
57°F
Warmest
1972
83°F avg
Coldest
1971
58°F avg
About This Date
May 30th in Fontana, CA typically brings warm spring weather, with average highs around 84°F and lows near 57°F — a 27°F daily swing. Over 55 years of records, the warmest May 30th was in 1972 (83°F average), while the coldest was 1971 (58°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for May 30th in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 100° | 61° | 80° | — | — |
| 2024 | 83° | 55° | 69° | — | — |
| 2023 | 69° | 57° | 63° | — | — |
| 2022 | 79° | 54° | 66° | — | — |
| 2021 | 81° | 58° | 69° | — | — |
| 2020 | 82° | 62° | 72° | — | — |
| 2019 | 89° | 57° | 73° | — | — |
| 2018 | 76° | 59° | 67° | — | — |
| 2017 | 81° | 58° | 69° | — | — |
| 2016 | 79° | 56° | 67° | — | — |
| 2015 | 90° | 58° | 74° | — | — |
| 2014 | 92° | 61° | 76° | — | — |
| 2013 | 88° | 59° | 73° | — | — |
| 2012 | 84° | 58° | 71° | — | — |
| 2011 | 81° | 50° | 65° | — | — |
| 2010 | 91° | 54° | 72° | — | — |
| 2009 | 74° | 59° | 66° | — | — |
| 2008 | 80° | 55° | 68° | — | — |
| 2007 | 82° | 54° | 68° | — | — |
| 2006 | 91° | 57° | 74° | — | — |
| 2005 | 80° | 57° | 69° | — | — |
| 2004 | 94° | 56° | 75° | — | — |
| 2003 | 85° | 60° | 72° | — | — |
| 2002 | 90° | 59° | 74° | — | — |
| 2001 | 90° | 58° | 74° | — | — |
| 2000 | 84° | 60° | 72° | — | — |
| 1999 | 74° | 53° | 63° | — | — |
| 1998 | 78° | 49° | 63° | — | — |
| 1997 | 96° | 64° | 80° | — | — |
| 1996 | 76° | 57° | 66° | — | — |
| 1995 | 91° | 58° | 74° | — | — |
| 1994 | 92° | 59° | 75° | — | — |
| 1993 | 91° | 53° | 72° | — | — |
| 1992 | 90° | 59° | 74° | — | — |
| 1991 | 75° | 56° | 65° | — | — |
| 1990 | 74° | 54° | 64° | — | — |
| 1989 | 81° | 53° | 67° | — | — |
| 1988 | 77° | 51° | 64° | — | — |
| 1987 | 87° | 53° | 70° | — | — |
| 1986 | 83° | 58° | 70° | — | — |
| 1985 | 83° | 53° | 68° | — | — |
| 1984 | 95° | 61° | 78° | — | — |
| 1983 | 81° | 53° | 67° | — | — |
| 1982 | 76° | 54° | 65° | — | — |
| 1981 | 80° | 61° | 70° | — | — |
| 1980 | 72° | 49° | 60° | — | — |
| 1979 | 78° | 53° | 66° | — | — |
| 1978 | 92° | 52° | 72° | — | — |
| 1977 | 96° | 54° | 75° | — | — |
| 1976 | 75° | 56° | 65° | — | — |
| 1975 | 89° | 60° | 75° | — | — |
| 1974 | 78° | 57° | 68° | — | — |
| 1973 | 91° | 65° | 78° | — | — |
| 1972warmest | 98° | 68° | 83° | — | — |
| 1971coldest | 63° | 53° | 58° | — | — |
55 years of data from FONTANA KAISER