Weather on November 21
Fullerton, CA
55 Years of Data
Avg High
74°F
Avg Low
50°F
Warmest
2002
80°F avg
Coldest
1979
50°F avg
About This Date
November 21st in Fullerton, CA typically brings pleasant fall weather, with average highs around 74°F and lows near 50°F. Over 55 years of records, the warmest November 21st was in 2002 (80°F average), while the coldest was 1979 (50°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 22% of November 21st dates historically, with the wettest November 21st recording 3.58" 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 November 21st in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 54° | 59° | 0.99" | — |
| 2024 | 79° | 48° | 63° | — | — |
| 2023 | 84° | 66° | 75° | — | — |
| 2022 | 82° | 56° | 69° | — | — |
| 2021 | 84° | 53° | 69° | — | — |
| 2020 | 80° | 51° | 66° | — | — |
| 2019 | 68° | 52° | 60° | 0.05" | — |
| 2018 | 74° | 50° | 62° | — | — |
| 2017 | 90° | 58° | 74° | — | — |
| 2016 | 68° | 37° | 53° | 1.63" | — |
| 2015 | 87° | 64° | 76° | — | — |
| 2014 | 74° | 55° | 64° | — | — |
| 2013 | 64° | 57° | 61° | 0.64" | — |
| 2012 | 70° | 50° | 60° | — | — |
| 2011 | 65° | 45° | 55° | 0.99" | — |
| 2010 | 60° | 47° | 53° | 0.36" | — |
| 2009 | 70° | 49° | 59° | — | — |
| 2008 | 86° | 54° | 70° | — | — |
| 2007 | 73° | 54° | 63° | — | — |
| 2006 | 84° | 54° | 69° | — | — |
| 2005 | 92° | 60° | 76° | — | — |
| 2004 | 63° | 44° | 53° | 2.59" | — |
| 2003 | 67° | 57° | 62° | — | — |
| 2002warmest | 90° | 71° | 80° | — | — |
| 2001 | 71° | 54° | 62° | — | — |
| 2000 | 81° | 55° | 68° | — | — |
| 1999 | 69° | 50° | 60° | — | — |
| 1998 | 78° | 50° | 64° | — | — |
| 1997 | 77° | 55° | 66° | — | — |
| 1996 | 63° | 60° | 61° | 3.58" | — |
| 1995 | 74° | 53° | 63° | — | — |
| 1994 | 66° | 40° | 53° | — | — |
| 1993 | 77° | 50° | 64° | — | — |
| 1992 | 70° | 54° | 62° | — | — |
| 1991 | 77° | 51° | 64° | — | — |
| 1990 | 67° | 49° | 58° | — | — |
| 1989 | 78° | 53° | 66° | — | — |
| 1988 | 76° | 46° | 61° | — | — |
| 1987 | 70° | 54° | 62° | — | — |
| 1986 | 69° | 59° | 64° | — | — |
| 1985 | 70° | 49° | 59° | — | — |
| 1984 | 71° | 53° | 62° | 0.2" | — |
| 1983 | 63° | 41° | 52° | 0.15" | — |
| 1982 | 67° | 44° | 55° | — | — |
| 1981 | 78° | 44° | 61° | — | — |
| 1980 | 84° | 40° | 62° | — | — |
| 1979coldest | 71° | 29° | 50° | — | — |
| 1978 | 65° | 47° | 56° | 1.65" | — |
| 1977 | 70° | 41° | 55° | — | — |
| 1976 | 75° | 48° | 62° | — | — |
| 1975 | 76° | 37° | 56° | — | — |
| 1974 | 65° | 50° | 57° | — | — |
| 1973 | 63° | 44° | 53° | 0.1" | — |
| 1972 | 74° | 46° | 60° | — | — |
| 1971 | 69° | 40° | 54° | — | — |
55 years of data from ANAHEIM