Weather on December 9
Fullerton, CA
55 Years of Data
Avg High
71°F
Avg Low
47°F
Warmest
1988
72°F avg
Coldest
1972
41°F avg
About This Date
December 9th in Fullerton, CA typically brings pleasant winter weather, with average highs around 71°F and lows near 47°F. Over 55 years of records, the warmest December 9th was in 1988 (72°F average), while the coldest was 1972 (41°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 9th dates historically, with the wettest December 9th recording 0.64" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 56° | 70° | — | — |
| 2024 | 68° | 51° | 60° | — | — |
| 2023 | 73° | 51° | 62° | — | — |
| 2022 | 66° | 45° | 55° | — | — |
| 2021 | 66° | 57° | 62° | 0.05" | — |
| 2020 | 80° | 54° | 67° | — | — |
| 2019 | 70° | 50° | 60° | — | — |
| 2018 | 75° | 49° | 62° | — | — |
| 2017 | 87° | 47° | 67° | — | — |
| 2016 | 70° | 51° | 60° | — | — |
| 2015 | 79° | 52° | 65° | — | — |
| 2014 | 80° | 54° | 67° | — | — |
| 2013 | 62° | 41° | 52° | — | — |
| 2012 | 70° | 57° | 63° | — | — |
| 2011 | 72° | 41° | 56° | — | — |
| 2010 | 70° | 46° | 58° | — | — |
| 2009 | 59° | 44° | 52° | — | — |
| 2008 | 74° | 47° | 60° | — | — |
| 2007 | 64° | 46° | 55° | 0.08" | — |
| 2006 | 70° | 51° | 60° | — | — |
| 2005 | 78° | 54° | 66° | — | — |
| 2004 | 70° | 47° | 58° | — | — |
| 2003 | 74° | 49° | 61° | — | — |
| 2002 | 67° | 49° | 58° | — | — |
| 2001 | 76° | 47° | 61° | — | — |
| 2000 | 71° | 53° | 62° | — | — |
| 1999 | 69° | 46° | 58° | — | — |
| 1998 | 67° | 40° | 53° | — | — |
| 1997 | 66° | 40° | 53° | — | — |
| 1996 | 76° | 50° | 63° | 0.64" | — |
| 1995 | 71° | 48° | 60° | — | — |
| 1994 | 72° | 43° | 57° | — | — |
| 1993 | 68° | 47° | 57° | — | — |
| 1992 | 62° | 45° | 53° | — | — |
| 1991 | 72° | 52° | 62° | 0.08" | — |
| 1990 | 79° | 49° | 64° | — | — |
| 1989 | 78° | 47° | 62° | — | — |
| 1988warmest | 79° | 66° | 72° | — | — |
| 1987 | 70° | 45° | 57° | — | — |
| 1986 | 69° | 45° | 57° | — | — |
| 1985 | 65° | 40° | 52° | — | — |
| 1984 | 70° | 48° | 59° | — | — |
| 1983 | 69° | 48° | 59° | 0.33" | — |
| 1982 | 67° | 59° | 63° | 0.03" | — |
| 1981 | 80° | 45° | 62° | — | — |
| 1980 | 71° | 37° | 54° | — | — |
| 1979 | 75° | 38° | 56° | — | — |
| 1978 | 60° | 31° | 45° | — | — |
| 1977 | 69° | 52° | 60° | — | — |
| 1976 | 71° | 42° | 57° | — | — |
| 1975 | 85° | 50° | 67° | — | — |
| 1974 | 73° | 45° | 59° | — | — |
| 1973 | 83° | 49° | 66° | — | — |
| 1972coldest | 54° | 28° | 41° | 0.03" | — |
| 1971 | 61° | 33° | 47° | — | — |
55 years of data from ANAHEIM