Weather on December 13
Fontana, CA
55 Years of Data
Avg High
67°F
Avg Low
42°F
Warmest
1977
66°F avg
Coldest
1985
46°F avg
About This Date
December 13th in Fontana, CA typically brings mild winter weather, with average highs around 67°F and lows near 42°F — a 25°F daily swing. Over 55 years of records, the warmest December 13th was in 1977 (66°F average), while the coldest was 1985 (46°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 13th dates historically, with the wettest December 13th recording 1.47" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for December 13th in Fontana, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 49° | 62° | — | — |
| 2024 | 62° | 45° | 53° | — | — |
| 2023 | 71° | 45° | 58° | — | — |
| 2022 | 56° | 37° | 46° | — | — |
| 2021 | 55° | 41° | 48° | 0.03" | — |
| 2020 | 68° | 40° | 54° | — | — |
| 2019 | 74° | 50° | 62° | — | — |
| 2018 | 76° | 44° | 60° | — | — |
| 2017 | 83° | 46° | 64° | — | — |
| 2016 | 66° | 54° | 60° | — | — |
| 2015 | 65° | 36° | 50° | 0.56" | — |
| 2014 | 61° | 45° | 53° | — | — |
| 2013 | 66° | 40° | 53° | — | — |
| 2012 | 56° | 45° | 50° | 1.47" | — |
| 2011 | 57° | 41° | 49° | — | — |
| 2010 | 80° | 49° | 64° | — | — |
| 2009 | 59° | 50° | 55° | 0.25" | — |
| 2008 | 58° | 42° | 50° | — | — |
| 2007 | 62° | 39° | 51° | — | — |
| 2006 | 73° | 45° | 59° | — | — |
| 2005 | 65° | 42° | 53° | — | — |
| 2004 | 69° | 49° | 59° | — | — |
| 2003 | 63° | 39° | 51° | — | — |
| 2002 | 66° | 44° | 55° | — | — |
| 2001 | 62° | 37° | 50° | — | — |
| 2000 | 59° | 37° | 48° | — | — |
| 1999 | 62° | 38° | 50° | — | — |
| 1998 | 80° | 41° | 61° | — | — |
| 1997 | 73° | 36° | 54° | — | — |
| 1996 | 73° | 46° | 60° | — | — |
| 1995 | 68° | 55° | 62° | 0.13" | — |
| 1994 | 60° | 45° | 52° | — | — |
| 1993 | 73° | 37° | 55° | — | — |
| 1992 | 62° | 39° | 51° | — | — |
| 1991 | 77° | 40° | 58° | — | — |
| 1990 | 62° | 49° | 55° | — | — |
| 1989 | 72° | 33° | 52° | — | — |
| 1988 | 89° | 41° | 65° | — | — |
| 1987 | 54° | 42° | 48° | — | — |
| 1986 | 73° | 32° | 53° | — | — |
| 1985coldest | 66° | 27° | 46° | — | — |
| 1984 | 67° | 46° | 56° | — | — |
| 1983 | 60° | 39° | 50° | — | — |
| 1982 | 70° | 44° | 57° | — | — |
| 1981 | 59° | 49° | 54° | — | — |
| 1980 | 69° | 38° | 53° | — | — |
| 1979 | 76° | 35° | 55° | — | — |
| 1978 | 75° | 34° | 54° | — | — |
| 1977warmest | 80° | 52° | 66° | — | — |
| 1976 | 81° | 39° | 60° | — | — |
| 1975 | 62° | 50° | 56° | — | — |
| 1974 | 67° | 43° | 55° | — | — |
| 1973 | 57° | 47° | 52° | — | — |
| 1972 | 58° | 40° | 49° | — | — |
| 1971 | 58° | 42° | 50° | 0.56" | — |
55 years of data from FONTANA KAISER