Weather on June 17
Rialto, CA
55 Years of Data
About This Date
June 17th in Rialto, CA typically brings warm summer weather, with average highs around 88°F and lows near 58°F — a 30°F daily swing. Over 48 years of records, the warmest June 17th was in 1981 (87°F average), while the coldest was 1995 (56°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 4% of June 17th dates historically.
Planning for June 17th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 66° | 82° | — | — |
| 2017 | 96° | 67° | 81° | — | — |
| 2016 | 87° | 56° | 71° | — | — |
| 2015 | 96° | 65° | 80° | — | — |
| 2014 | 77° | 54° | 65° | — | — |
| 2013 | 87° | 58° | 72° | — | — |
| 2012 | 96° | 63° | 79° | — | — |
| 2011 | 76° | 54° | 65° | — | — |
| 2010 | 82° | 53° | 68° | — | — |
| 2009 | 76° | 54° | 65° | — | — |
| 2008 | 97° | 69° | 83° | — | — |
| 2007 | 86° | 58° | 72° | — | — |
| 2006 | 94° | 69° | 81° | — | — |
| 2005 | 70° | 56° | 63° | — | — |
| 2004 | 82° | 56° | 69° | — | — |
| 2003 | 90° | 54° | 72° | — | — |
| 2002 | 94° | 61° | 77° | — | — |
| 2001 | 95° | 62° | 79° | — | — |
| 2000 | 89° | 57° | 73° | — | — |
| 1999 | 92° | 58° | 75° | — | — |
| 1998 | 83° | 53° | 68° | — | — |
| 1997 | 96° | 63° | 79° | — | — |
| 1996 | 92° | 54° | 73° | — | — |
| 1995coldest | 70° | 43° | 56° | — | — |
| 1994 | 89° | 56° | 72° | — | — |
| 1993 | 93° | 60° | 77° | — | — |
| 1992 | 87° | 56° | 71° | — | — |
| 1991 | 90° | 61° | 75° | — | — |
| 1990 | 82° | 55° | 69° | — | — |
| 1989 | 96° | 59° | 78° | — | — |
| 1988 | 76° | 53° | 64° | — | — |
| 1987 | 87° | 54° | 70° | — | — |
| 1986 | 91° | 58° | 74° | — | — |
| 1985 | 99° | 60° | 79° | — | — |
| 1984 | 97° | 58° | 77° | — | — |
| 1983 | 88° | 54° | 71° | — | — |
| 1982 | 67° | 59° | 63° | 0.03" | — |
| 1981warmest | 110° | 64° | 87° | — | — |
| 1980 | 91° | 59° | 75° | — | — |
| 1979 | 77° | 58° | 67° | — | — |
| 1978 | 101° | 56° | 78° | — | — |
| 1977 | 90° | 55° | 72° | — | — |
| 1976 | 91° | 57° | 74° | — | — |
| 1975 | 70° | 56° | 63° | 0.08" | — |
| 1974 | 88° | 53° | 70° | — | — |
| 1973 | 82° | 55° | 69° | — | — |
| 1972 | 90° | 59° | 74° | — | — |
| 1971 | 99° | 57° | 78° | — | — |
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.