Weather on December 26
Rialto, CA
55 Years of Data
Avg High
63°F
Avg Low
43°F
Warmest
1980
69°F avg
Coldest
1987
39°F avg
About This Date
December 26th in Rialto, CA typically brings mild winter weather, with average highs around 63°F and lows near 43°F. Over 47 years of records, the warmest December 26th was in 1980 (69°F average), while the coldest was 1987 (39°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 26th dates historically, with the wettest December 26th recording 3.68" of rain.
Planning for December 26th in Rialto, CA? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 55° | 59° | — | — |
| 2016 | 51° | 41° | 46° | — | — |
| 2015 | 50° | 39° | 45° | — | — |
| 2014 | 53° | 44° | 49° | — | — |
| 2013 | 70° | 59° | 64° | — | — |
| 2012 | 47° | 40° | 43° | — | — |
| 2011 | 71° | 49° | 60° | — | — |
| 2010 | 55° | 44° | 50° | — | — |
| 2009 | 56° | 41° | 48° | — | — |
| 2008 | 47° | 32° | 39° | — | — |
| 2007 | 55° | 39° | 47° | — | — |
| 2006 | 69° | 51° | 60° | — | — |
| 2005 | 53° | 45° | 49° | — | — |
| 2004 | 62° | 42° | 52° | — | — |
| 2003 | 53° | 34° | 43° | — | — |
| 2002 | 65° | 43° | 54° | — | — |
| 2001 | 70° | 50° | 60° | — | — |
| 2000 | 69° | 53° | 61° | — | — |
| 1999 | 71° | 54° | 62° | — | — |
| 1998 | 76° | 51° | 63° | — | — |
| 1997 | 57° | 44° | 51° | — | — |
| 1996 | 59° | 44° | 52° | — | — |
| 1995 | 65° | 47° | 56° | — | — |
| 1994 | 65° | 54° | 59° | — | — |
| 1993 | 62° | 50° | 56° | — | — |
| 1992 | 65° | 44° | 54° | — | — |
| 1991 | 64° | 45° | 54° | — | — |
| 1990 | 56° | 42° | 49° | — | — |
| 1989 | 71° | 41° | 56° | — | — |
| 1988 | 52° | 32° | 42° | 0.2" | — |
| 1987coldest | 52° | 26° | 39° | — | — |
| 1986 | 67° | 38° | 52° | — | — |
| 1985 | 74° | 43° | 58° | — | — |
| 1984 | 60° | 35° | 48° | 0.64" | — |
| 1983 | 60° | 56° | 58° | 0.64" | — |
| 1982 | 63° | 33° | 48° | — | — |
| 1981 | 64° | 38° | 51° | — | — |
| 1980warmest | 89° | 48° | 69° | — | — |
| 1979 | 59° | 43° | 51° | 0.03" | — |
| 1978 | 73° | 37° | 55° | — | — |
| 1977 | 63° | 52° | 57° | 3.68" | — |
| 1976 | 78° | 39° | 59° | — | — |
| 1975 | 69° | 55° | 62° | — | — |
| 1974 | 61° | 32° | 46° | — | — |
| 1973 | 70° | 35° | 52° | — | — |
| 1972 | 77° | 41° | 59° | — | — |
| 1971 | 56° | 41° | 48° | 0.61" | — |
47 years of data from FONTANA 5 N