Weather on May 10
Rialto, CA
55 Years of Data
Avg High
78°F
Avg Low
52°F
Warmest
2025
83°F avg
Coldest
1991
51°F avg
About This Date
May 10th in Rialto, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 52°F — a 26°F daily swing. Over 48 years of records, the warmest May 10th was in 2025 (83°F average), while the coldest was 1991 (51°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 6% of May 10th dates historically, with the wettest May 10th recording 0.56" of rain.
Planning for May 10th in Rialto, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 102° | 64° | 83° | — | — |
| 2017 | 62° | 52° | 57° | — | — |
| 2016 | 73° | 51° | 62° | — | — |
| 2015 | 80° | 48° | 64° | — | — |
| 2014 | 70° | 51° | 60° | — | — |
| 2013 | 84° | 52° | 68° | — | — |
| 2012 | 80° | 53° | 67° | — | — |
| 2011 | 65° | 44° | 54° | — | — |
| 2010 | 62° | 45° | 53° | — | — |
| 2009 | 82° | 54° | 68° | — | — |
| 2008 | 75° | 52° | 63° | — | — |
| 2007 | 87° | 56° | 71° | — | — |
| 2006 | 91° | 53° | 72° | — | — |
| 2005 | 69° | 43° | 56° | — | — |
| 2004 | 76° | 52° | 64° | — | — |
| 2003 | 74° | 43° | 58° | — | — |
| 2002 | 72° | 47° | 59° | — | — |
| 2001 | 90° | 60° | 75° | — | — |
| 2000 | 71° | 53° | 62° | — | — |
| 1999 | 72° | 50° | 61° | — | — |
| 1998 | 67° | 54° | 60° | — | — |
| 1997 | 90° | 59° | 74° | — | — |
| 1996 | 94° | 59° | 76° | — | — |
| 1995 | 72° | 46° | 59° | — | — |
| 1994 | 79° | 52° | 65° | — | — |
| 1993 | 91° | 62° | 77° | — | — |
| 1992 | 77° | 57° | 67° | — | — |
| 1991coldest | 59° | 42° | 51° | — | — |
| 1990 | 65° | 51° | 58° | — | — |
| 1989 | 65° | 55° | 60° | — | — |
| 1988 | 93° | 54° | 73° | — | — |
| 1987 | 87° | 59° | 73° | — | — |
| 1986 | 81° | 52° | 66° | — | — |
| 1985 | 65° | 51° | 58° | — | — |
| 1984 | 93° | 57° | 75° | — | — |
| 1983 | 72° | 55° | 63° | — | — |
| 1982 | 64° | 49° | 56° | 0.13" | — |
| 1981 | 95° | 57° | 76° | — | — |
| 1980 | 64° | 50° | 57° | — | — |
| 1979 | 82° | 41° | 62° | — | — |
| 1978 | 79° | 48° | 63° | — | — |
| 1977 | 66° | 49° | 57° | 0.28" | — |
| 1976 | 89° | 56° | 72° | — | — |
| 1975 | 90° | 48° | 69° | — | — |
| 1974 | 76° | 56° | 66° | — | — |
| 1973 | 94° | 55° | 74° | — | — |
| 1972 | 82° | 49° | 65° | — | — |
| 1971 | 76° | 47° | 61° | 0.56" | — |
48 years of data from DEVORE CALIFORNIA