Weather on December 4
Fontana, CA
55 Years of Data
Avg High
69°F
Avg Low
44°F
Warmest
1977
67°F avg
Coldest
2004
46°F avg
About This Date
December 4th in Fontana, CA typically brings mild winter weather, with average highs around 69°F and lows near 44°F — a 25°F daily swing. Over 55 years of records, the warmest December 4th was in 1977 (67°F average), while the coldest was 2004 (46°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 4th dates historically, with the wettest December 4th recording 4.9" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for December 4th in Fontana, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 48° | 58° | — | — |
| 2024 | 69° | 46° | 58° | — | — |
| 2023 | 78° | 45° | 61° | — | — |
| 2022 | 63° | 46° | 54° | — | — |
| 2021 | 63° | 45° | 54° | — | — |
| 2020 | 73° | 38° | 55° | — | — |
| 2019 | 61° | 53° | 57° | 2.41" | — |
| 2018 | 69° | 43° | 56° | — | — |
| 2017 | 71° | 46° | 59° | — | — |
| 2016 | 74° | 41° | 57° | — | — |
| 2015 | 64° | 41° | 53° | — | — |
| 2014 | 68° | 58° | 63° | 0.23" | — |
| 2013 | 61° | 46° | 53° | — | — |
| 2012 | 71° | 53° | 62° | — | — |
| 2011 | 60° | 34° | 47° | — | — |
| 2010 | 63° | 43° | 53° | — | — |
| 2009 | 70° | 43° | 56° | — | — |
| 2008 | 66° | 52° | 59° | — | — |
| 2007 | 81° | 42° | 61° | — | — |
| 2006 | 77° | 37° | 57° | — | — |
| 2005 | 67° | 41° | 54° | — | — |
| 2004coldest | 57° | 35° | 46° | 0.05" | — |
| 2003 | 77° | 43° | 60° | — | — |
| 2002 | 71° | 45° | 58° | — | — |
| 2001 | 60° | 41° | 51° | — | — |
| 2000 | 78° | 45° | 61° | — | — |
| 1999 | 69° | 42° | 56° | — | — |
| 1998 | 57° | 44° | 51° | 0.08" | — |
| 1997 | 73° | 40° | 56° | — | — |
| 1996 | 75° | 45° | 60° | — | — |
| 1995 | 76° | 45° | 60° | — | — |
| 1994 | 61° | 40° | 50° | — | — |
| 1993 | 80° | 42° | 61° | — | — |
| 1992 | 57° | 48° | 53° | 0.38" | — |
| 1991 | 77° | 43° | 60° | — | — |
| 1990 | 80° | 41° | 61° | — | — |
| 1989 | 83° | 39° | 61° | — | — |
| 1988 | 78° | 41° | 60° | — | — |
| 1987 | 68° | 45° | 56° | — | — |
| 1986 | 70° | 43° | 56° | — | — |
| 1985 | 75° | 42° | 59° | — | — |
| 1984 | 64° | 37° | 51° | — | — |
| 1983 | 58° | 36° | 47° | — | — |
| 1982 | 75° | 49° | 62° | — | — |
| 1981 | 75° | 44° | 60° | — | — |
| 1980 | 56° | 49° | 52° | 1.75" | — |
| 1979 | 90° | 39° | 64° | — | — |
| 1978 | 67° | 34° | 50° | — | — |
| 1977warmest | 82° | 51° | 67° | — | — |
| 1976 | 73° | 42° | 58° | — | — |
| 1975 | 65° | 44° | 54° | — | — |
| 1974 | 58° | 44° | 51° | 4.9" | — |
| 1973 | 74° | 44° | 59° | — | — |
| 1972 | 58° | 51° | 54° | 3.86" | — |
| 1971 | 62° | 43° | 52° | — | — |
55 years of data from FONTANA KAISER