Weather on June 30
Fontana, CA
55 Years of Data
Avg High
93°F
Avg Low
62°F
Warmest
2013
90°F avg
Coldest
1982
64°F avg
About This Date
June 30th in Fontana, CA typically brings hot summer weather, with average highs around 93°F and lows near 62°F — a 31°F daily swing. Over 55 years of records, the warmest June 30th was in 2013 (90°F average), while the coldest was 1982 (64°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 30th dates historically. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 64° | 80° | — | — |
| 2024 | 98° | 65° | 81° | — | — |
| 2023 | 94° | 61° | 77° | — | — |
| 2022 | 94° | 67° | 80° | — | — |
| 2021 | 95° | 66° | 81° | — | — |
| 2020 | 86° | 60° | 73° | — | — |
| 2019 | 98° | 66° | 82° | — | — |
| 2018 | 85° | 61° | 73° | — | — |
| 2017 | 88° | 61° | 74° | — | — |
| 2016 | 96° | 65° | 80° | — | — |
| 2015 | 100° | 69° | 85° | 0.03" | — |
| 2014 | 90° | 66° | 78° | — | — |
| 2013warmest | 104° | 75° | 90° | — | — |
| 2012 | 91° | 60° | 76° | — | — |
| 2011 | 91° | 58° | 74° | — | — |
| 2010 | 91° | 61° | 76° | — | — |
| 2009 | 90° | 64° | 77° | — | — |
| 2008 | 97° | 65° | 81° | — | — |
| 2007 | 95° | 64° | 80° | — | — |
| 2006 | 101° | 70° | 85° | — | — |
| 2005 | 90° | 59° | 74° | — | — |
| 2004 | 79° | 59° | 69° | — | — |
| 2003 | 94° | 60° | 77° | — | — |
| 2002 | 87° | 56° | 71° | — | — |
| 2001 | 96° | 58° | 77° | — | — |
| 2000 | 88° | 62° | 75° | — | — |
| 1999 | 91° | 58° | 74° | — | — |
| 1998 | 88° | 61° | 74° | — | — |
| 1997 | 85° | 58° | 71° | — | — |
| 1996 | 103° | 62° | 82° | — | — |
| 1995 | 94° | 60° | 77° | — | — |
| 1994 | 95° | 67° | 81° | — | — |
| 1993 | 96° | 61° | 78° | — | — |
| 1992 | 83° | 59° | 71° | — | — |
| 1991 | 96° | 56° | 76° | — | — |
| 1990 | 99° | 67° | 83° | — | — |
| 1989 | 89° | 55° | 72° | — | — |
| 1988 | 94° | 63° | 78° | — | — |
| 1987 | 83° | 57° | 70° | — | — |
| 1986 | 99° | 64° | 81° | — | — |
| 1985 | 104° | 62° | 83° | — | — |
| 1984 | 98° | 60° | 79° | — | — |
| 1983 | 75° | 60° | 68° | — | — |
| 1982coldest | 74° | 55° | 64° | — | — |
| 1981 | 93° | 59° | 76° | — | — |
| 1980 | 93° | 67° | 80° | — | — |
| 1979 | 99° | 56° | 77° | — | — |
| 1978 | 86° | 53° | 70° | — | — |
| 1977 | 94° | 59° | 76° | — | — |
| 1976 | 99° | 71° | 85° | — | — |
| 1975 | 91° | 55° | 73° | — | — |
| 1974 | 92° | 55° | 73° | — | — |
| 1973 | 93° | 60° | 77° | — | — |
| 1972 | 102° | 65° | 83° | — | — |
| 1971 | 91° | 60° | 76° | — | — |
55 years of data from FONTANA KAISER