Weather on December 26
Fullerton, CA
55 Years of Data
Avg High
68°F
Avg Low
45°F
Warmest
2013
71°F avg
Coldest
1974
46°F avg
About This Date
December 26th in Fullerton, CA typically brings mild winter weather, with average highs around 68°F and lows near 45°F. Over 55 years of records, the warmest December 26th was in 2013 (71°F average), while the coldest was 1974 (46°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 26th dates historically, with the wettest December 26th recording 3.61" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for December 26th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 55° | 58° | 2.08" | — |
| 2024 | 66° | 47° | 56° | — | — |
| 2023 | 71° | 51° | 61° | — | — |
| 2022 | 84° | 57° | 71° | — | — |
| 2021 | 62° | 46° | 54° | 1.07" | — |
| 2020 | 70° | 47° | 58° | — | — |
| 2019 | 55° | 44° | 50° | 3.61" | — |
| 2018 | 68° | 45° | 56° | — | — |
| 2017 | 67° | 43° | 55° | — | — |
| 2016 | 62° | 44° | 53° | — | — |
| 2015 | 63° | 39° | 51° | — | — |
| 2014 | 70° | 52° | 61° | — | — |
| 2013warmest | 81° | 62° | 71° | — | — |
| 2012 | 61° | 46° | 53° | 0.41" | — |
| 2011 | 74° | 44° | 59° | — | — |
| 2010 | 63° | 49° | 56° | 1.17" | — |
| 2009 | 66° | 41° | 54° | — | — |
| 2008 | 59° | 35° | 47° | 0.13" | — |
| 2007 | 66° | 43° | 54° | — | — |
| 2006 | 76° | 49° | 62° | — | — |
| 2005 | 63° | 56° | 59° | 0.08" | — |
| 2004 | 65° | 47° | 56° | — | — |
| 2003 | 59° | 40° | 49° | 0.69" | — |
| 2002 | 65° | 40° | 52° | — | — |
| 2001 | 73° | 41° | 57° | — | — |
| 2000 | 77° | 45° | 61° | — | — |
| 1999 | 78° | 47° | 62° | — | — |
| 1998 | 68° | 42° | 55° | — | — |
| 1997 | 66° | 37° | 52° | — | — |
| 1996 | 72° | 47° | 59° | — | — |
| 1995 | 73° | 48° | 61° | — | — |
| 1994 | 74° | 45° | 59° | — | — |
| 1993 | 76° | 52° | 64° | — | — |
| 1992 | 75° | 47° | 61° | — | — |
| 1991 | 69° | 43° | 56° | — | — |
| 1990 | 68° | 41° | 55° | — | — |
| 1989 | 79° | 52° | 65° | — | — |
| 1988 | 56° | 36° | 46° | — | — |
| 1987 | 60° | 33° | 47° | — | — |
| 1986 | 70° | 44° | 57° | — | — |
| 1985 | 72° | 43° | 57° | — | — |
| 1984 | 55° | 42° | 49° | 1.14" | — |
| 1983 | 63° | 57° | 60° | 0.25" | — |
| 1982 | 66° | 41° | 54° | — | — |
| 1981 | 68° | 38° | 53° | — | — |
| 1980 | 83° | 48° | 65° | — | — |
| 1979 | 65° | 38° | 51° | — | — |
| 1978 | 62° | 34° | 48° | — | — |
| 1977 | 69° | 57° | 63° | 2.29" | — |
| 1976 | 80° | 52° | 66° | — | — |
| 1975 | 74° | 38° | 56° | — | — |
| 1974coldest | 61° | 32° | 46° | — | — |
| 1973 | 65° | 36° | 50° | — | — |
| 1972 | 77° | 51° | 64° | — | — |
| 1971 | 57° | 43° | 50° | 0.56" | — |
55 years of data from ANAHEIM