Weather on December 30
Fontana, CA
55 Years of Data
Avg High
65°F
Avg Low
42°F
Warmest
1980
68°F avg
Coldest
1978
43°F avg
About This Date
December 30th in Fontana, CA typically brings mild winter weather, with average highs around 65°F and lows near 42°F. Over 55 years of records, the warmest December 30th was in 1980 (68°F average), while the coldest was 1978 (43°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 30th dates historically, with the wettest December 30th recording 1.63" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 30th in Fontana, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 50° | 58° | — | — |
| 2024 | 66° | 48° | 57° | — | — |
| 2023 | 60° | 51° | 56° | 0.38" | — |
| 2022 | 58° | 53° | 55° | 0.03" | — |
| 2021 | 56° | 46° | 51° | 1.47" | — |
| 2020 | 67° | 39° | 53° | — | — |
| 2019 | 64° | 46° | 55° | — | — |
| 2018 | 62° | 36° | 49° | — | — |
| 2017 | 78° | 45° | 61° | — | — |
| 2016 | 60° | 52° | 56° | 0.1" | — |
| 2015 | 60° | 35° | 48° | — | — |
| 2014 | 54° | 44° | 49° | 0.03" | — |
| 2013 | 73° | 41° | 57° | — | — |
| 2012 | 52° | 36° | 44° | 0.05" | — |
| 2011 | 75° | 44° | 60° | — | — |
| 2010 | 53° | 34° | 43° | — | — |
| 2009 | 50° | 42° | 46° | 0.15" | — |
| 2008 | 73° | 45° | 59° | — | — |
| 2007 | 60° | 37° | 49° | — | — |
| 2006 | 66° | 39° | 53° | — | — |
| 2005 | 65° | 46° | 55° | — | — |
| 2004 | 58° | 44° | 51° | — | — |
| 2003 | 64° | 43° | 53° | — | — |
| 2002 | 62° | 39° | 51° | — | — |
| 2001 | 61° | 44° | 52° | 0.03" | — |
| 2000 | 75° | 41° | 58° | — | — |
| 1999 | 69° | 40° | 54° | — | — |
| 1998 | 79° | 43° | 61° | — | — |
| 1997 | 82° | 51° | 67° | — | — |
| 1996 | 63° | 53° | 58° | — | — |
| 1995 | 72° | 43° | 57° | — | — |
| 1994 | 61° | 38° | 49° | — | — |
| 1993 | 74° | 38° | 56° | — | — |
| 1992 | — | 35° | — | 0.51" | — |
| 1991 | 63° | 42° | 52° | 0.56" | — |
| 1990 | 64° | 32° | 48° | — | — |
| 1989 | 74° | 39° | 56° | — | — |
| 1988 | 60° | 31° | 45° | — | — |
| 1987 | 55° | 34° | 44° | 0.13" | — |
| 1986 | 77° | 33° | 55° | — | — |
| 1985 | 70° | 51° | 60° | — | — |
| 1984 | 67° | 37° | 52° | — | — |
| 1983 | 72° | 39° | 55° | — | — |
| 1982 | 57° | 43° | 50° | 0.28" | — |
| 1981 | 58° | 47° | 52° | 1.24" | — |
| 1980warmest | 82° | 53° | 68° | — | — |
| 1979 | 71° | 40° | 55° | — | — |
| 1978coldest | 56° | 31° | 43° | — | — |
| 1977 | 67° | 53° | 60° | 0.25" | — |
| 1976 | 57° | 46° | 52° | 1.63" | — |
| 1975 | 69° | 45° | 57° | — | — |
| 1974 | 57° | 38° | 47° | — | — |
| 1973 | 69° | 52° | 60° | — | — |
| 1972 | 66° | 43° | 54° | — | — |
| 1971 | 62° | 41° | 52° | — | — |
55 years of data from FONTANA KAISER