Weather on June 9
Rialto, CA
55 Years of Data
Avg High
84°F
Avg Low
57°F
Warmest
1985
97°F avg
Coldest
2009
58°F avg
About This Date
June 9th in Rialto, CA typically brings warm summer weather, with average highs around 84°F and lows near 57°F — a 27°F daily swing. Over 48 years of records, the warmest June 9th was in 1985 (97°F average), while the coldest was 2009 (58°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 4% of June 9th dates historically.
Planning for June 9th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 59° | 73° | — | — |
| 2017 | 78° | 55° | 67° | — | — |
| 2016 | 84° | 61° | 72° | — | — |
| 2015 | 85° | 71° | 78° | — | — |
| 2014 | 96° | 66° | 81° | — | — |
| 2013 | 85° | 55° | 70° | — | — |
| 2012 | 77° | 53° | 65° | — | — |
| 2011 | 70° | 51° | 60° | — | — |
| 2010 | 77° | 58° | 67° | — | — |
| 2009coldest | 62° | 53° | 58° | — | — |
| 2008 | 95° | 61° | 78° | — | — |
| 2007 | 78° | 50° | 64° | — | — |
| 2006 | 79° | 60° | 69° | — | — |
| 2005 | 72° | 52° | 62° | — | — |
| 2004 | 69° | 51° | 60° | — | — |
| 2003 | 66° | 56° | 61° | — | — |
| 2002 | 74° | 51° | 62° | — | — |
| 2001 | 91° | 58° | 74° | — | — |
| 2000 | 79° | 46° | 62° | — | — |
| 1999 | 75° | 49° | 62° | — | — |
| 1998 | 73° | 52° | 62° | — | — |
| 1997 | 86° | 56° | 71° | — | — |
| 1996 | 97° | 60° | 78° | — | — |
| 1995 | 84° | 47° | 65° | — | — |
| 1994 | 101° | 60° | 80° | — | — |
| 1993 | 88° | 64° | 76° | — | — |
| 1992 | 87° | 56° | 71° | — | — |
| 1991 | 86° | 48° | 67° | — | — |
| 1990 | 91° | 67° | 79° | 0.05" | — |
| 1989 | 74° | 58° | 66° | — | — |
| 1988 | 86° | 51° | 69° | — | — |
| 1987 | 86° | 60° | 73° | — | — |
| 1986 | 95° | 58° | 76° | — | — |
| 1985warmest | 98° | 96° | 97° | — | — |
| 1984 | 92° | 52° | 72° | — | — |
| 1983 | 76° | 58° | 67° | — | — |
| 1982 | 85° | 52° | 68° | — | — |
| 1981 | 94° | 64° | 79° | — | — |
| 1980 | 94° | 58° | 76° | — | — |
| 1979 | 99° | 53° | 76° | — | — |
| 1978 | 101° | 60° | 80° | — | — |
| 1977 | 77° | 58° | 67° | 0.08" | — |
| 1976 | 74° | 55° | 64° | — | — |
| 1975 | 89° | 53° | 71° | — | — |
| 1974 | 96° | 55° | 76° | — | — |
| 1973 | 98° | 62° | 80° | — | — |
| 1972 | 72° | 60° | 66° | — | — |
| 1971 | 73° | 56° | 64° | — | — |
48 years of data from DEVORE CALIFORNIA