Weather on December 2
Rialto, CA
55 Years of Data
Avg High
68°F
Avg Low
46°F
Warmest
1975
70°F avg
Coldest
2007
48°F avg
About This Date
December 2nd in Rialto, CA typically brings mild winter weather, with average highs around 68°F and lows near 46°F. Over 47 years of records, the warmest December 2nd was in 1975 (70°F average), while the coldest was 2007 (48°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 2% of December 2nd dates historically, with the wettest December 2nd recording 0.74" of rain.
Planning for December 2nd in Rialto, CA? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 38° | 54° | — | — |
| 2016 | 55° | 47° | 51° | — | — |
| 2015 | 70° | 53° | 61° | — | — |
| 2014 | 58° | 52° | 55° | — | — |
| 2013 | 73° | 51° | 62° | — | — |
| 2012 | 55° | 53° | 54° | — | — |
| 2011 | 60° | 41° | 51° | — | — |
| 2010 | 76° | 52° | 64° | — | — |
| 2009 | 57° | 42° | 50° | — | — |
| 2008 | 70° | 47° | 58° | — | — |
| 2007coldest | 57° | 39° | 48° | — | — |
| 2006 | 66° | 54° | 60° | — | — |
| 2005 | 57° | 49° | 53° | — | — |
| 2004 | 57° | 43° | 50° | — | — |
| 2003 | 77° | 48° | 63° | — | — |
| 2002 | 67° | 50° | 58° | — | — |
| 2001 | 63° | 46° | 54° | — | — |
| 2000 | 79° | 55° | 67° | — | — |
| 1999 | 73° | 45° | 59° | — | — |
| 1998 | 58° | 46° | 52° | — | — |
| 1997 | 70° | 44° | 57° | — | — |
| 1996 | 70° | 47° | 58° | — | — |
| 1995 | 72° | 49° | 60° | — | — |
| 1994 | 65° | 44° | 54° | — | — |
| 1993 | 70° | 56° | 63° | — | — |
| 1992 | 62° | 44° | 53° | — | — |
| 1991 | 57° | 46° | 52° | — | — |
| 1990 | 70° | 54° | 62° | — | — |
| 1989 | 75° | 45° | 60° | — | — |
| 1988 | 75° | 41° | 58° | — | — |
| 1987 | 66° | 40° | 53° | — | — |
| 1986 | 77° | 38° | 57° | — | — |
| 1985 | 53° | 46° | 50° | 0.74" | — |
| 1984 | 72° | 39° | 55° | — | — |
| 1983 | 60° | 47° | 53° | — | — |
| 1982 | 64° | 43° | 53° | — | — |
| 1981 | 80° | 45° | 62° | — | — |
| 1980 | 75° | 41° | 58° | — | — |
| 1979 | 77° | 44° | 61° | — | — |
| 1978 | 65° | 33° | 49° | — | — |
| 1977 | 82° | 46° | 64° | — | — |
| 1976 | 79° | 38° | 58° | — | — |
| 1975warmest | 75° | 64° | 70° | — | — |
| 1974 | 69° | 36° | 52° | — | — |
| 1973 | 62° | 40° | 51° | — | — |
| 1972 | 78° | 39° | 59° | — | — |
| 1971 | 64° | 48° | 56° | — | — |
47 years of data from FONTANA 5 N