Weather on December 5
Fullerton, CA
55 Years of Data
Avg High
71°F
Avg Low
47°F
Warmest
1979
70°F avg
Coldest
1972
45°F avg
About This Date
December 5th 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 5th was in 1979 (70°F average), while the coldest was 1972 (45°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 16% of December 5th dates historically, with the wettest December 5th recording 5.26" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for December 5th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 48° | 60° | — | — |
| 2024 | 63° | 45° | 54° | — | — |
| 2023 | 85° | 54° | 69° | — | — |
| 2022 | 68° | 56° | 62° | 0.08" | — |
| 2021 | 68° | 50° | 59° | — | — |
| 2020 | 76° | 45° | 60° | — | — |
| 2019 | 70° | 50° | 60° | 1.85" | — |
| 2018 | 71° | 49° | 60° | 0.15" | — |
| 2017 | 70° | 58° | 64° | — | — |
| 2016 | 71° | 45° | 58° | — | — |
| 2015 | 82° | 45° | 63° | — | — |
| 2014 | 70° | 56° | 63° | — | — |
| 2013 | 62° | 42° | 52° | — | — |
| 2012 | 62° | 54° | 58° | — | — |
| 2011 | 66° | 41° | 54° | — | — |
| 2010 | 68° | 49° | 58° | — | — |
| 2009 | 60° | 48° | 54° | — | — |
| 2008 | 81° | 48° | 64° | — | — |
| 2007 | 77° | 50° | 64° | — | — |
| 2006 | 76° | 45° | 60° | — | — |
| 2005 | 75° | 56° | 65° | — | — |
| 2004 | 56° | 48° | 52° | 0.84" | — |
| 2003 | 68° | 47° | 57° | — | — |
| 2002 | 73° | 48° | 61° | — | — |
| 2001 | 65° | 42° | 53° | — | — |
| 2000 | 81° | 48° | 64° | — | — |
| 1999 | 72° | 45° | 58° | — | — |
| 1998 | 62° | 45° | 53° | 0.3" | — |
| 1997 | 68° | 55° | 62° | 5.26" | — |
| 1996 | 71° | 43° | 57° | — | — |
| 1995 | 81° | 51° | 66° | — | — |
| 1994 | 70° | 53° | 61° | 0.08" | — |
| 1993 | 74° | 46° | 60° | — | — |
| 1992 | 64° | 43° | 53° | — | — |
| 1991 | 70° | 47° | 58° | — | — |
| 1990 | 78° | 50° | 64° | — | — |
| 1989 | 78° | 48° | 63° | — | — |
| 1988 | 79° | 47° | 63° | — | — |
| 1987 | 67° | 43° | 55° | 2.08" | — |
| 1986 | 68° | 55° | 62° | — | — |
| 1985 | 74° | 54° | 64° | — | — |
| 1984 | 63° | 50° | 56° | — | — |
| 1983 | 66° | 38° | 52° | — | — |
| 1982 | 69° | 45° | 57° | — | — |
| 1981 | 74° | 45° | 59° | — | — |
| 1980 | 62° | 52° | 57° | — | — |
| 1979warmest | 91° | 48° | 70° | — | — |
| 1978 | 63° | 40° | 51° | — | — |
| 1977 | 76° | 54° | 65° | — | — |
| 1976 | 76° | 44° | 60° | — | — |
| 1975 | 64° | 48° | 56° | — | — |
| 1974 | 66° | 45° | 55° | 0.2" | — |
| 1973 | 71° | 38° | 54° | — | — |
| 1972coldest | 58° | 32° | 45° | — | — |
| 1971 | 70° | 39° | 54° | — | — |
55 years of data from ANAHEIM