Weather on December 27
Fullerton, CA
55 Years of Data
Avg High
67°F
Avg Low
45°F
Warmest
2013
69°F avg
Coldest
1971
43°F avg
About This Date
December 27th in Fullerton, CA typically brings mild winter weather, with average highs around 67°F and lows near 45°F. Over 55 years of records, the warmest December 27th was in 2013 (69°F average), while the coldest was 1971 (43°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 27th dates historically, with the wettest December 27th recording 3.38" 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 27th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 47° | 55° | 0.03" | — |
| 2024 | 62° | 48° | 55° | — | — |
| 2023 | 70° | 52° | 61° | — | — |
| 2022 | 68° | 55° | 62° | 0.03" | — |
| 2021 | 59° | 44° | 52° | 0.28" | — |
| 2020 | 66° | 52° | 59° | — | — |
| 2019 | 64° | 40° | 52° | — | — |
| 2018 | 68° | 48° | 58° | — | — |
| 2017 | 80° | 46° | 63° | — | — |
| 2016 | 77° | 51° | 64° | — | — |
| 2015 | 65° | 41° | 53° | — | — |
| 2014 | 67° | 51° | 59° | — | — |
| 2013warmest | 88° | 51° | 69° | — | — |
| 2012 | 66° | 41° | 54° | — | — |
| 2011 | 72° | 42° | 57° | — | — |
| 2010 | 69° | 42° | 56° | — | — |
| 2009 | 67° | 41° | 54° | — | — |
| 2008 | 63° | 41° | 52° | — | — |
| 2007 | 60° | 36° | 48° | — | — |
| 2006 | 69° | 53° | 61° | 0.76" | — |
| 2005 | 71° | 51° | 61° | — | — |
| 2004 | 65° | 52° | 58° | — | — |
| 2003 | 61° | 36° | 48° | — | — |
| 2002 | 72° | 42° | 57° | — | — |
| 2001 | 71° | 41° | 56° | — | — |
| 2000 | 77° | 42° | 60° | — | — |
| 1999 | 76° | 52° | 64° | — | — |
| 1998 | 72° | 42° | 57° | — | — |
| 1997 | 71° | 40° | 55° | — | — |
| 1996 | 62° | 52° | 57° | 1.09" | — |
| 1995 | 73° | 48° | 61° | — | — |
| 1994 | 73° | 45° | 59° | — | — |
| 1993 | 66° | 49° | 57° | 0.05" | — |
| 1992 | 73° | 47° | 60° | — | — |
| 1991 | 69° | 47° | 58° | — | — |
| 1990 | 65° | 48° | 56° | — | — |
| 1989 | 71° | 47° | 59° | — | — |
| 1988 | 57° | 35° | 46° | — | — |
| 1987 | 58° | 35° | 46° | — | — |
| 1986 | 67° | 42° | 54° | — | — |
| 1985 | 68° | 48° | 58° | — | — |
| 1984 | 60° | 49° | 54° | 3.38" | — |
| 1983 | 64° | 55° | 60° | 0.3" | — |
| 1982 | 64° | 42° | 53° | — | — |
| 1981 | 64° | 42° | 53° | — | — |
| 1980 | 77° | 46° | 62° | — | — |
| 1979 | 66° | 34° | 50° | — | — |
| 1978 | 61° | 36° | 48° | — | — |
| 1977 | 66° | 60° | 63° | 0.38" | — |
| 1976 | 73° | 40° | 56° | — | — |
| 1975 | 65° | 39° | 52° | — | — |
| 1974 | 64° | 34° | 49° | — | — |
| 1973 | 59° | 44° | 52° | — | — |
| 1972 | 78° | 48° | 63° | — | — |
| 1971coldest | 49° | 38° | 43° | 3.28" | — |
55 years of data from ANAHEIM