Weather on April 17
Rialto, CA
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
1980
75°F avg
Coldest
1995
45°F avg
About This Date
April 17th in Rialto, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 48 years of records, the warmest April 17th was in 1980 (75°F average), while the coldest was 1995 (45°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 8% of April 17th dates historically, with the wettest April 17th recording 0.66" of rain.
Planning for April 17th in Rialto, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 53° | 57° | — | — |
| 2017 | 74° | 51° | 62° | — | — |
| 2016 | 81° | 57° | 69° | — | — |
| 2015 | 80° | 52° | 66° | — | — |
| 2014 | 77° | 52° | 64° | — | — |
| 2013 | 66° | 48° | 57° | — | — |
| 2012 | 80° | 55° | 68° | — | — |
| 2011 | 79° | 55° | 67° | — | — |
| 2010 | 79° | 52° | 65° | — | — |
| 2009 | 77° | 46° | 62° | — | — |
| 2008 | 83° | 54° | 68° | — | — |
| 2007 | 69° | 44° | 57° | — | — |
| 2006 | 61° | 46° | 53° | — | — |
| 2005 | 78° | 51° | 65° | — | — |
| 2004 | 50° | 44° | 47° | — | — |
| 2003 | 55° | 38° | 46° | — | — |
| 2002 | 59° | 43° | 51° | — | — |
| 2001 | 84° | 52° | 68° | — | — |
| 2000 | 56° | 43° | 49° | — | — |
| 1999 | 92° | 59° | 75° | — | — |
| 1998 | 76° | 47° | 61° | — | — |
| 1997 | 85° | 53° | 69° | — | — |
| 1996 | 62° | 49° | 55° | — | — |
| 1995coldest | 53° | 37° | 45° | — | — |
| 1994 | 83° | 61° | 72° | — | — |
| 1993 | 68° | 50° | 59° | — | — |
| 1992 | 78° | 54° | 66° | — | — |
| 1991 | 59° | 43° | 51° | — | — |
| 1990 | 70° | 48° | 59° | 0.03" | — |
| 1989 | 76° | 55° | 65° | — | — |
| 1988 | 57° | 50° | 54° | 0.38" | — |
| 1987 | 81° | 52° | 66° | — | — |
| 1986 | 69° | 43° | 56° | — | — |
| 1985 | 66° | 55° | 61° | — | — |
| 1984 | 83° | 52° | 67° | — | — |
| 1983 | 78° | 47° | 62° | — | — |
| 1982 | 74° | 46° | 60° | — | — |
| 1981 | 77° | 53° | 65° | — | — |
| 1980warmest | 95° | 55° | 75° | — | — |
| 1979 | 70° | 52° | 61° | — | — |
| 1978 | 74° | 46° | 60° | — | — |
| 1977 | 84° | 54° | 69° | — | — |
| 1976 | 68° | 38° | 53° | — | — |
| 1975 | 58° | 40° | 49° | 0.66" | — |
| 1974 | 81° | 46° | 63° | — | — |
| 1973 | 69° | 45° | 57° | — | — |
| 1972 | 73° | 42° | 58° | — | — |
| 1971 | 58° | 39° | 48° | 0.53" | — |
48 years of data from DEVORE CALIFORNIA