Weather on February 17
Rialto, CA
55 Years of Data
Avg High
66°F
Avg Low
45°F
Warmest
1981
69°F avg
Coldest
2009
43°F avg
About This Date
February 17th in Rialto, CA typically brings mild winter weather, with average highs around 66°F and lows near 45°F. Over 49 years of records, the warmest February 17th was in 1981 (69°F average), while the coldest was 2009 (43°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 14% of February 17th dates historically, with the wettest February 17th recording 4.88" of rain.
Planning for February 17th in Rialto, CA? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 43° | 49° | — | — |
| 2025 | 72° | 43° | 57° | — | — |
| 2017 | 53° | 45° | 49° | — | — |
| 2016 | 74° | 49° | 61° | — | — |
| 2015 | 75° | 49° | 62° | — | — |
| 2014 | 75° | 50° | 63° | — | — |
| 2013 | 66° | 43° | 54° | — | — |
| 2012 | 71° | 44° | 58° | — | — |
| 2011 | 51° | 39° | 45° | — | — |
| 2010 | 76° | 52° | 64° | — | — |
| 2009coldest | 48° | 38° | 43° | — | — |
| 2008 | 64° | 41° | 53° | — | — |
| 2007 | 75° | 58° | 66° | — | — |
| 2006 | 53° | 40° | 46° | — | — |
| 2005 | 71° | 51° | 61° | — | — |
| 2004 | 83° | 51° | 67° | — | — |
| 2003 | 62° | 46° | 54° | — | — |
| 2002 | 53° | 43° | 48° | — | — |
| 2001 | 66° | 45° | 55° | — | — |
| 2000 | 56° | 38° | 47° | — | — |
| 1999 | 70° | 43° | 56° | — | — |
| 1998 | 59° | 43° | 51° | 1.93" | — |
| 1997 | 65° | 43° | 54° | — | — |
| 1996 | 70° | 50° | 60° | — | — |
| 1995 | 69° | 52° | 60° | — | — |
| 1994 | 54° | 47° | 50° | 1.32" | — |
| 1993 | 61° | 42° | 51° | — | — |
| 1992 | 56° | 43° | 49° | — | — |
| 1991 | 59° | 47° | 53° | — | — |
| 1990 | 48° | 41° | 45° | 4.88" | — |
| 1989 | 72° | 37° | 54° | — | — |
| 1988 | 65° | 48° | 56° | — | — |
| 1987 | 68° | 40° | 54° | — | — |
| 1986 | 59° | 52° | 55° | 1.04" | — |
| 1985 | 78° | 49° | 63° | — | — |
| 1984 | 64° | 40° | 52° | 0.28" | — |
| 1983 | 79° | 42° | 60° | — | — |
| 1982 | 68° | 52° | 60° | — | — |
| 1981warmest | 87° | 52° | 69° | — | — |
| 1980 | 70° | 54° | 62° | — | — |
| 1979 | 72° | 38° | 55° | — | — |
| 1978 | 66° | 40° | 53° | — | — |
| 1977 | 89° | 46° | 68° | — | — |
| 1976 | 69° | 40° | 54° | — | — |
| 1975 | 61° | 42° | 51° | — | — |
| 1974 | 62° | 44° | 53° | 0.08" | — |
| 1973 | 72° | 46° | 59° | — | — |
| 1972 | 84° | 46° | 65° | — | — |
| 1971 | 61° | 45° | 53° | 1.17" | — |
49 years of data from DEVORE CALIFORNIA