Weather on June 22
Rialto, CA
55 Years of Data
Avg High
90°F
Avg Low
59°F
Warmest
2008
87°F avg
Coldest
2003
58°F avg
About This Date
June 22nd in Rialto, CA typically brings hot summer weather, with average highs around 90°F and lows near 59°F — a 31°F daily swing. Over 48 years of records, the warmest June 22nd was in 2008 (87°F average), while the coldest was 2003 (58°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for June 22nd in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 59° | 72° | — | — |
| 2017 | 92° | 66° | 79° | — | — |
| 2016 | 92° | 67° | 79° | — | — |
| 2015 | 93° | 67° | 80° | — | — |
| 2014 | 87° | 58° | 72° | — | — |
| 2013 | 83° | 57° | 70° | — | — |
| 2012 | 81° | 55° | 68° | — | — |
| 2011 | 93° | 65° | 79° | — | — |
| 2010 | 82° | 51° | 67° | — | — |
| 2009 | 81° | 52° | 66° | — | — |
| 2008warmest | 99° | 75° | 87° | — | — |
| 2007 | 95° | 64° | 80° | — | — |
| 2006 | 96° | 61° | 78° | — | — |
| 2005 | 94° | 62° | 78° | — | — |
| 2004 | 85° | 54° | 69° | — | — |
| 2003coldest | 63° | 54° | 58° | — | — |
| 2002 | 89° | 52° | 70° | — | — |
| 2001 | 95° | 66° | 81° | — | — |
| 2000 | 92° | 61° | 76° | — | — |
| 1999 | 90° | 51° | 70° | — | — |
| 1998 | 84° | 52° | 68° | — | — |
| 1997 | 83° | 57° | 70° | — | — |
| 1996 | 81° | 56° | 68° | — | — |
| 1995 | 94° | 56° | 75° | — | — |
| 1994 | 101° | 62° | 81° | — | — |
| 1993 | 80° | 53° | 67° | — | — |
| 1992 | 90° | 64° | 77° | — | — |
| 1991 | 75° | 50° | 63° | — | — |
| 1990 | 92° | 59° | 75° | — | — |
| 1989 | 95° | 61° | 78° | — | — |
| 1988 | 90° | 57° | 73° | — | — |
| 1987 | 91° | 56° | 73° | — | — |
| 1986 | 89° | 58° | 73° | — | — |
| 1985 | 93° | 57° | 75° | — | — |
| 1984 | 92° | 57° | 74° | — | — |
| 1983 | 87° | 52° | 69° | — | — |
| 1982 | 76° | 58° | 67° | — | — |
| 1981 | 102° | 67° | 84° | — | — |
| 1980 | 93° | 56° | 74° | — | — |
| 1979 | 93° | 55° | 74° | — | — |
| 1978 | 101° | 62° | 81° | — | — |
| 1977 | 92° | 57° | 74° | — | — |
| 1976 | 93° | 56° | 74° | — | — |
| 1975 | 90° | 55° | 72° | — | — |
| 1974 | 98° | 57° | 78° | — | — |
| 1973 | 106° | 63° | 84° | — | — |
| 1972 | 78° | 60° | 69° | — | — |
| 1971 | 100° | 59° | 80° | — | — |
48 years of data from DEVORE CALIFORNIA