Weather on May 3
Rialto, CA
55 Years of Data
About This Date
May 3rd in Rialto, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 53°F — a 25°F daily swing. Over 49 years of records, the warmest May 3rd was in 2004 (84°F average), while the coldest was 1999 (49°F) — a 35°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for May 3rd in Rialto, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 55° | 68° | — | — |
| 2025 | 77° | 56° | 67° | — | — |
| 2017 | 92° | 61° | 76° | — | — |
| 2016 | 86° | 60° | 73° | — | — |
| 2015 | 75° | 51° | 63° | — | — |
| 2014 | 89° | 63° | 76° | — | — |
| 2013 | 89° | 61° | 75° | — | — |
| 2012 | 60° | 52° | 56° | — | — |
| 2011 | 87° | 62° | 75° | — | — |
| 2010 | 78° | 53° | 66° | — | — |
| 2009 | 74° | 55° | 64° | — | — |
| 2008 | 77° | 54° | 65° | — | — |
| 2007 | 68° | 47° | 57° | — | — |
| 2006 | 67° | 53° | 60° | — | — |
| 2005 | 78° | 49° | 63° | — | — |
| 2004warmest | 100° | 68° | 84° | — | — |
| 2003 | 60° | 43° | 51° | — | — |
| 2002 | 74° | 44° | 59° | — | — |
| 2001 | 77° | 52° | 64° | — | — |
| 2000 | 86° | 56° | 71° | — | — |
| 1999coldest | 51° | 46° | 49° | — | — |
| 1998 | 66° | 54° | 60° | — | — |
| 1997 | 92° | 53° | 72° | — | — |
| 1996 | 83° | 52° | 67° | — | — |
| 1995 | 75° | 44° | 60° | — | — |
| 1994 | 77° | 51° | 64° | — | — |
| 1993 | 63° | 53° | 58° | — | — |
| 1992 | 80° | 76° | 78° | — | — |
| 1991 | 64° | 43° | 53° | — | — |
| 1990 | 81° | 47° | 64° | — | — |
| 1989 | 88° | 54° | 71° | — | — |
| 1988 | 82° | 48° | 65° | — | — |
| 1987 | 90° | 50° | 70° | — | — |
| 1986 | 77° | 52° | 64° | — | — |
| 1985 | 83° | 55° | 69° | — | — |
| 1984 | 90° | 50° | 70° | — | — |
| 1983 | 82° | 48° | 65° | — | — |
| 1982 | 81° | 58° | 69° | — | — |
| 1981 | 76° | 57° | 66° | — | — |
| 1980 | 88° | 53° | 70° | — | — |
| 1979 | 75° | 54° | 64° | — | — |
| 1978 | 80° | 48° | 64° | — | — |
| 1977 | 78° | 49° | 63° | — | — |
| 1976 | 76° | 57° | 66° | — | — |
| 1975 | 81° | 49° | 65° | — | — |
| 1974 | 73° | 55° | 64° | — | — |
| 1973 | 87° | 51° | 69° | — | — |
| 1972 | 85° | 51° | 68° | — | — |
| 1971 | 67° | 46° | 56° | — | — |
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.