Weather on June 9
Rialto, CA
55 Years of Data
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.
| 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° | — | — |
Rialto, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Rialto, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rialto, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Rialto, CA
Rialto, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.