Weather on May 26
Rialto, CA
55 Years of Data
Avg High
79°F
Avg Low
53°F
Warmest
1974
81°F avg
Coldest
2008
53°F avg
About This Date
May 26th in Rialto, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 53°F — a 26°F daily swing. Over 48 years of records, the warmest May 26th was in 1974 (81°F average), while the coldest was 2008 (53°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 26th dates historically.
Planning for May 26th in Rialto, CA? Great weather for outdoor activities.
Cooling Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 57° | 69° | — | — |
| 2017 | 68° | 53° | 61° | — | — |
| 2016 | 73° | 48° | 61° | — | — |
| 2015 | 73° | 53° | 63° | — | — |
| 2014 | 89° | 58° | 73° | — | — |
| 2013 | 72° | 50° | 61° | — | — |
| 2012 | 59° | 46° | 53° | — | — |
| 2011 | 72° | 49° | 60° | — | — |
| 2010 | 70° | 48° | 59° | — | — |
| 2009 | 76° | 53° | 64° | — | — |
| 2008coldest | 59° | 47° | 53° | — | — |
| 2007 | 83° | 51° | 67° | — | — |
| 2006 | 66° | 56° | 61° | — | — |
| 2005 | 89° | 58° | 73° | — | — |
| 2004 | 72° | 51° | 61° | — | — |
| 2003 | 82° | 50° | 66° | — | — |
| 2002 | 75° | 50° | 63° | — | — |
| 2001 | 79° | 56° | 67° | — | — |
| 2000 | 81° | 55° | 68° | — | — |
| 1999 | 85° | 54° | 69° | — | — |
| 1998 | 64° | 47° | 55° | — | — |
| 1997 | 92° | 53° | 72° | — | — |
| 1996 | 79° | 46° | 62° | — | — |
| 1995 | 78° | 46° | 62° | — | — |
| 1994 | 73° | 58° | 65° | — | — |
| 1993 | 74° | 51° | 62° | — | — |
| 1992 | 68° | 54° | 61° | — | — |
| 1991 | 73° | 50° | 62° | — | — |
| 1990 | 76° | 52° | 64° | — | — |
| 1989 | 86° | 52° | 69° | — | — |
| 1988 | 84° | 53° | 69° | — | — |
| 1987 | 67° | 52° | 59° | — | — |
| 1986 | 88° | 57° | 72° | — | — |
| 1985 | 75° | 58° | 66° | — | — |
| 1984 | 96° | 61° | 78° | — | — |
| 1983 | 92° | 60° | 76° | — | — |
| 1982 | 78° | 59° | 69° | — | — |
| 1981 | 84° | 59° | 72° | — | — |
| 1980 | 74° | 44° | 59° | — | — |
| 1979 | 88° | 56° | 72° | — | — |
| 1978 | 77° | 49° | 63° | — | — |
| 1977 | 78° | 52° | 65° | — | — |
| 1976 | 90° | 52° | 71° | — | — |
| 1975 | 88° | 53° | 70° | — | — |
| 1974warmest | 101° | 61° | 81° | — | — |
| 1973 | 80° | 55° | 68° | 0.05" | — |
| 1972 | 84° | 50° | 67° | — | — |
| 1971 | 85° | 53° | 69° | — | — |
48 years of data from DEVORE CALIFORNIA