Weather on December 5
Rialto, CA
55 Years of Data
Avg High
68°F
Avg Low
47°F
Warmest
2000
72°F avg
Coldest
1972
44°F avg
About This Date
December 5th in Rialto, CA typically brings mild winter weather, with average highs around 68°F and lows near 47°F. Over 47 years of records, the warmest December 5th was in 2000 (72°F average), while the coldest was 1972 (44°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 5th dates historically, with the wettest December 5th recording 0.56" of rain.
Planning for December 5th in Rialto, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 43° | 58° | — | — |
| 2016 | 65° | 46° | 55° | — | — |
| 2015 | 68° | 52° | 60° | — | — |
| 2014 | 64° | 52° | 58° | — | — |
| 2013 | 53° | 36° | 44° | — | — |
| 2012 | 74° | 51° | 62° | — | — |
| 2011 | 54° | 45° | 49° | — | — |
| 2010 | 69° | 47° | 58° | — | — |
| 2009 | 52° | 43° | 47° | — | — |
| 2008 | 69° | 55° | 62° | — | — |
| 2007 | 78° | 52° | 65° | — | — |
| 2006 | 75° | 55° | 65° | — | — |
| 2005 | 64° | 46° | 55° | — | — |
| 2004 | 48° | 41° | 45° | — | — |
| 2003 | 80° | 53° | 67° | — | — |
| 2002 | 76° | 57° | 66° | — | — |
| 2001 | 62° | 35° | 49° | — | — |
| 2000warmest | 84° | 61° | 72° | — | — |
| 1999 | 72° | 48° | 60° | — | — |
| 1998 | 59° | 36° | 47° | — | — |
| 1997 | 61° | 44° | 52° | — | — |
| 1996 | 64° | 46° | 55° | — | — |
| 1995 | 80° | 58° | 69° | — | — |
| 1994 | 63° | 49° | 56° | — | — |
| 1993 | 76° | 47° | 61° | — | — |
| 1992 | 53° | 36° | 44° | — | — |
| 1991 | 72° | 50° | 61° | — | — |
| 1990 | 72° | 57° | 64° | — | — |
| 1989 | 82° | 43° | 62° | — | — |
| 1988 | 76° | 42° | 59° | — | — |
| 1987 | 58° | 50° | 54° | 0.56" | — |
| 1986 | 67° | 54° | 60° | — | — |
| 1985 | 70° | 50° | 60° | — | — |
| 1984 | 60° | 47° | 53° | 0.03" | — |
| 1983 | 63° | 54° | 58° | — | — |
| 1982 | 78° | 41° | 60° | — | — |
| 1981 | 76° | 47° | 61° | — | — |
| 1980 | 65° | 48° | 56° | 0.03" | — |
| 1979 | 85° | 52° | 68° | — | — |
| 1978 | 60° | 35° | 48° | — | — |
| 1977 | 87° | 43° | 65° | — | — |
| 1976 | 70° | 40° | 55° | — | — |
| 1975 | 62° | 50° | 56° | — | — |
| 1974 | 64° | 42° | 53° | 0.38" | — |
| 1973 | 70° | 37° | 53° | — | — |
| 1972coldest | 56° | 32° | 44° | — | — |
| 1971 | 67° | 38° | 52° | — | — |
47 years of data from FONTANA 5 N