Weather on February 15
Rialto, CA
55 Years of Data
About This Date
February 15th in Rialto, CA typically brings mild winter weather, with average highs around 67°F and lows near 46°F. Over 49 years of records, the warmest February 15th was in 2016 (74°F average), while the coldest was 1990 (41°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 10% of February 15th dates historically, with the wettest February 15th recording 6.32" of rain.
Planning for February 15th in Rialto, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 66° | 46° | 56° | — | — |
| 2025 | 70° | 42° | 56° | — | — |
| 2017 | 77° | 55° | 66° | — | — |
| 2016warmest | 80° | 68° | 74° | — | — |
| 2015 | 81° | 55° | 68° | — | — |
| 2014 | 81° | 58° | 69° | — | — |
| 2013 | 71° | 57° | 64° | — | — |
| 2012 | 47° | 41° | 44° | — | — |
| 2011 | 57° | 47° | 52° | — | — |
| 2010 | 74° | 57° | 65° | — | — |
| 2009 | 55° | 37° | 46° | — | — |
| 2008 | 62° | 41° | 52° | — | — |
| 2007 | 72° | 41° | 56° | — | — |
| 2006 | 52° | 42° | 47° | — | — |
| 2005 | 61° | 42° | 51° | — | — |
| 2004 | 67° | 40° | 53° | — | — |
| 2003 | 68° | 46° | 57° | — | — |
| 2002 | 79° | 49° | 64° | — | — |
| 2001 | 57° | 33° | 45° | — | — |
| 2000 | 68° | 45° | 56° | — | — |
| 1999 | 66° | 40° | 53° | — | — |
| 1998 | 58° | 45° | 51° | 1.14" | — |
| 1997 | 74° | 61° | 67° | — | — |
| 1996 | 73° | 50° | 62° | — | — |
| 1995 | 64° | 48° | 56° | — | — |
| 1994 | 74° | 36° | 55° | — | — |
| 1993 | 52° | 39° | 45° | — | — |
| 1992 | 46° | 44° | 45° | — | — |
| 1991 | 76° | 55° | 65° | — | — |
| 1990coldest | 50° | 32° | 41° | — | — |
| 1989 | 62° | 34° | 48° | — | — |
| 1988 | 80° | 46° | 63° | — | — |
| 1987 | 62° | 50° | 56° | 0.03" | — |
| 1986 | 59° | 48° | 54° | 6.32" | — |
| 1985 | 86° | 43° | 64° | — | — |
| 1984 | 75° | 42° | 59° | — | — |
| 1983 | 75° | 41° | 58° | — | — |
| 1982 | 64° | 55° | 60° | — | — |
| 1981 | 83° | 50° | 66° | — | — |
| 1980 | 59° | 49° | 54° | 3.71" | — |
| 1979 | 61° | 38° | 49° | — | — |
| 1978 | 61° | 36° | 48° | — | — |
| 1977 | 90° | 49° | 69° | — | — |
| 1976 | 58° | 48° | 53° | — | — |
| 1975 | 64° | 42° | 53° | — | — |
| 1974 | 75° | 43° | 59° | — | — |
| 1973 | 60° | 45° | 52° | 0.66" | — |
| 1972 | 75° | 45° | 60° | — | — |
| 1971 | 66° | 45° | 55° | — | — |
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.