Weather on December 16
Fontana, CA
55 Years of Data
Avg High
68°F
Avg Low
44°F
Warmest
1980
74°F avg
Coldest
1984
45°F avg
About This Date
December 16th in Fontana, CA typically brings mild winter weather, with average highs around 68°F and lows near 44°F. Over 54 years of records, the warmest December 16th was in 1980 (74°F average), while the coldest was 1984 (45°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 17% of December 16th dates historically, with the wettest December 16th recording 3.53" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for December 16th in Fontana, CA? Great weather for outdoor activities.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 48° | 63° | — | — |
| 2024 | 73° | 44° | 59° | — | — |
| 2023 | 80° | 45° | 62° | — | — |
| 2022 | 65° | 40° | 52° | — | — |
| 2021 | 55° | 35° | 45° | — | — |
| 2020 | 73° | 43° | 58° | — | — |
| 2019 | 68° | 40° | 54° | — | — |
| 2018 | 73° | 42° | 58° | — | — |
| 2017 | 67° | 47° | 57° | — | — |
| 2016 | 60° | 44° | 52° | 3.1" | — |
| 2015 | 60° | 37° | 49° | — | — |
| 2014 | 59° | 52° | 55° | 0.05" | — |
| 2013 | 84° | 48° | 66° | — | — |
| 2012 | 54° | 49° | 51° | — | — |
| 2011 | 63° | 52° | 57° | — | — |
| 2010 | 58° | 48° | 53° | 0.56" | — |
| 2009 | 71° | 44° | 58° | — | — |
| 2008 | 54° | 42° | 48° | 0.03" | — |
| 2007 | 67° | 38° | 52° | — | — |
| 2006 | 57° | 44° | 51° | 0.38" | — |
| 2005 | 58° | 42° | 50° | — | — |
| 2004 | 74° | 64° | 69° | — | — |
| 2003 | 71° | 35° | 53° | — | — |
| 2002 | 61° | 50° | 55° | 3.53" | — |
| 2001 | 62° | 33° | 48° | — | — |
| 2000 | 80° | 41° | 61° | — | — |
| 1999 | 77° | 45° | 61° | — | — |
| 1998 | 82° | 64° | 73° | — | — |
| 1997 | 74° | 40° | 57° | — | — |
| 1996 | 77° | 38° | 57° | — | — |
| 1995 | 66° | 45° | 55° | 0.18" | — |
| 1994 | 72° | 37° | 54° | — | — |
| 1993 | 63° | 35° | 49° | — | — |
| 1991 | 79° | 44° | 61° | — | — |
| 1990 | 62° | 39° | 51° | — | — |
| 1989 | 68° | 42° | 55° | — | — |
| 1988 | 52° | 45° | 48° | 1.5" | — |
| 1987 | 50° | 40° | 45° | 0.71" | — |
| 1986 | 72° | 42° | 57° | — | — |
| 1985 | 75° | 45° | 60° | — | — |
| 1984coldest | 58° | 32° | 45° | — | — |
| 1983 | 65° | 41° | 53° | — | — |
| 1982 | 71° | 32° | 52° | — | — |
| 1981 | 71° | 42° | 57° | — | — |
| 1980warmest | 84° | 65° | 74° | — | — |
| 1979 | 81° | 38° | 59° | — | — |
| 1978 | 71° | 46° | 59° | — | — |
| 1977 | 67° | 44° | 55° | — | — |
| 1976 | 79° | 49° | 64° | — | — |
| 1975 | 67° | 48° | 57° | — | — |
| 1974 | 65° | 47° | 56° | — | — |
| 1973 | 83° | 46° | 64° | — | — |
| 1972 | 68° | 44° | 56° | — | — |
| 1971 | 63° | 45° | 54° | — | — |
54 years of data from FONTANA KAISER