Weather on May 13
Rialto, CA
55 Years of Data
Avg High
80°F
Avg Low
54°F
Warmest
2013
83°F avg
Coldest
1998
46°F avg
About This Date
May 13th in Rialto, CA typically brings warm spring weather, with average highs around 80°F and lows near 54°F — a 26°F daily swing. Over 48 years of records, the warmest May 13th was in 2013 (83°F average), while the coldest was 1998 (46°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 13th dates historically.
Planning for May 13th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 55° | 64° | — | — |
| 2017 | 72° | 53° | 62° | — | — |
| 2016 | 87° | 58° | 72° | — | — |
| 2015 | 67° | 49° | 58° | — | — |
| 2014 | 83° | 67° | 75° | — | — |
| 2013warmest | 97° | 70° | 83° | — | — |
| 2012 | 82° | 55° | 69° | — | — |
| 2011 | 79° | 54° | 66° | — | — |
| 2010 | 77° | 54° | 65° | — | — |
| 2009 | 78° | 52° | 65° | — | — |
| 2008 | 79° | 49° | 64° | — | — |
| 2007 | 77° | 48° | 63° | — | — |
| 2006 | 81° | 52° | 66° | — | — |
| 2005 | 87° | 60° | 74° | — | — |
| 2004 | 87° | 54° | 70° | — | — |
| 2003 | 76° | 56° | 66° | — | — |
| 2002 | 93° | 61° | 77° | — | — |
| 2001 | 75° | 51° | 63° | — | — |
| 2000 | 82° | 54° | 68° | — | — |
| 1999 | 68° | 55° | 62° | — | — |
| 1998coldest | 50° | 43° | 46° | — | — |
| 1997 | 88° | 56° | 72° | — | — |
| 1996 | 89° | 58° | 73° | — | — |
| 1995 | 56° | 47° | 51° | — | — |
| 1994 | 66° | 57° | 62° | — | — |
| 1993 | 82° | 49° | 65° | — | — |
| 1992 | 53° | 51° | 52° | — | — |
| 1991 | 70° | 48° | 59° | — | — |
| 1990 | 77° | 61° | 69° | — | — |
| 1989 | 63° | 53° | 58° | — | — |
| 1988 | 89° | 59° | 74° | — | — |
| 1987 | 86° | 61° | 73° | — | — |
| 1986 | 76° | 50° | 63° | — | — |
| 1985 | 88° | 49° | 68° | — | — |
| 1984 | 98° | 61° | 79° | — | — |
| 1983 | 64° | 51° | 58° | — | — |
| 1982 | 78° | 55° | 67° | — | — |
| 1981 | 83° | 58° | 70° | — | — |
| 1980 | 75° | 45° | 60° | — | — |
| 1979 | 97° | 55° | 76° | — | — |
| 1978 | 101° | 62° | 81° | — | — |
| 1977 | 69° | 50° | 60° | 0.08" | — |
| 1976 | 103° | 58° | 80° | — | — |
| 1975 | 91° | 53° | 72° | — | — |
| 1974 | 72° | 54° | 63° | — | — |
| 1973 | 75° | 54° | 64° | — | — |
| 1972 | 97° | 56° | 76° | — | — |
| 1971 | 89° | 52° | 70° | — | — |
48 years of data from DEVORE CALIFORNIA