Weather on December 19
Fullerton, CA
55 Years of Data
Avg High
69°F
Avg Low
47°F
Warmest
2004
74°F avg
Coldest
1975
46°F avg
About This Date
December 19th in Fullerton, CA typically brings mild winter weather, with average highs around 69°F and lows near 47°F. Over 55 years of records, the warmest December 19th was in 2004 (74°F average), while the coldest was 1975 (46°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 16% of December 19th dates historically, with the wettest December 19th recording 4.62" 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 19th 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 | 73° | 50° | 62° | — | — |
| 2024 | 80° | 48° | 64° | — | — |
| 2023 | 68° | 58° | 63° | — | — |
| 2022 | 72° | 44° | 58° | — | — |
| 2021 | 69° | 45° | 57° | — | — |
| 2020 | 77° | 49° | 63° | — | — |
| 2019 | 69° | 41° | 55° | — | — |
| 2018 | 79° | 52° | 65° | — | — |
| 2017 | 73° | 46° | 60° | — | — |
| 2016 | 70° | 56° | 63° | — | — |
| 2015 | 72° | 43° | 57° | — | — |
| 2014 | 68° | 48° | 58° | — | — |
| 2013 | 62° | 52° | 57° | 1.14" | — |
| 2012 | 62° | 36° | 49° | — | — |
| 2011 | 60° | 48° | 54° | — | — |
| 2010 | 59° | — | — | 4.62" | — |
| 2009 | 79° | 63° | 71° | — | — |
| 2008 | 62° | 40° | 51° | — | — |
| 2007 | 65° | 54° | 59° | 1.17" | — |
| 2006 | 62° | 38° | 50° | — | — |
| 2005 | 81° | 47° | 64° | — | — |
| 2004warmest | 85° | 64° | 74° | — | — |
| 2003 | 76° | 48° | 62° | — | — |
| 2002 | 60° | 39° | 50° | — | — |
| 2001 | 73° | 40° | 56° | — | — |
| 2000 | 78° | 65° | 71° | — | — |
| 1999 | 83° | 44° | 63° | — | — |
| 1998 | 60° | 54° | 57° | — | — |
| 1997 | 69° | 43° | 56° | 0.74" | — |
| 1996 | 78° | 51° | 65° | — | — |
| 1995 | 65° | 46° | 55° | — | — |
| 1994 | 74° | 40° | 57° | — | — |
| 1993 | 67° | 49° | 58° | 0.51" | — |
| 1992 | 62° | 45° | 53° | — | — |
| 1991 | 63° | 52° | 57° | — | — |
| 1990 | 62° | 44° | 53° | — | — |
| 1989 | 67° | 49° | 58° | — | — |
| 1988 | 60° | 43° | 51° | 0.05" | — |
| 1987 | 64° | 48° | 56° | 0.08" | — |
| 1986 | 68° | 47° | 57° | — | — |
| 1985 | 83° | 50° | 66° | — | — |
| 1984 | 60° | 45° | 52° | 1.47" | — |
| 1983 | 62° | 46° | 54° | — | — |
| 1982 | 74° | 43° | 58° | — | — |
| 1981 | 74° | 45° | 59° | — | — |
| 1980 | 65° | 44° | 54° | — | — |
| 1979 | 71° | 36° | 53° | — | — |
| 1978 | 54° | 40° | 47° | 0.64" | — |
| 1977 | 68° | 43° | 55° | — | — |
| 1976 | 71° | 46° | 59° | — | — |
| 1975coldest | 61° | 32° | 46° | — | — |
| 1974 | 70° | 40° | 55° | — | — |
| 1973 | 75° | 53° | 64° | — | — |
| 1972 | 69° | 44° | 57° | — | — |
| 1971 | 67° | 40° | 53° | — | — |
55 years of data from ANAHEIM