Weather on November 21
Santa Rosa, CA
55 Years of Data
Avg High
62°F
Avg Low
42°F
Warmest
2001
62°F avg
Coldest
1985
38°F avg
About This Date
November 21st in Santa Rosa, CA typically brings mild fall weather, with average highs around 62°F and lows near 42°F. Over 55 years of records, the warmest November 21st was in 2001 (62°F average), while the coldest was 1985 (38°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 40% of November 21st dates historically, with the wettest November 21st recording 13.84" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for November 21st in Santa Rosa, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 44° | 58° | — | — |
| 2024 | 61° | 56° | 58° | 13.84" | — |
| 2023 | 64° | 39° | 52° | — | — |
| 2022 | 65° | 30° | 47° | — | — |
| 2021 | 67° | 37° | 52° | — | — |
| 2020 | 61° | 31° | 46° | — | — |
| 2019 | 67° | 39° | 53° | — | — |
| 2018 | 62° | 49° | 55° | 1.52" | — |
| 2017 | 66° | 52° | 59° | — | — |
| 2016 | 62° | 44° | 53° | — | — |
| 2015 | 70° | 50° | 60° | — | — |
| 2014 | 56° | 42° | 49° | — | — |
| 2013 | 62° | 48° | 55° | — | — |
| 2012 | 61° | 47° | 54° | — | — |
| 2011 | 59° | 38° | 48° | — | — |
| 2010 | 56° | 38° | 47° | 1.52" | — |
| 2009 | 60° | 34° | 47° | — | — |
| 2008 | 68° | 36° | 52° | — | — |
| 2007 | 66° | 32° | 49° | — | — |
| 2006 | 65° | 53° | 59° | — | — |
| 2005 | 73° | 36° | 54° | — | — |
| 2004 | 65° | 40° | 52° | — | — |
| 2003 | 62° | 40° | 51° | — | — |
| 2002 | 73° | 48° | 61° | — | — |
| 2001warmest | 66° | 58° | 62° | 2.03" | — |
| 2000 | 51° | 44° | 48° | 1.27" | — |
| 1999 | 59° | 43° | 51° | 0.05" | — |
| 1998 | 62° | 54° | 58° | 0.05" | — |
| 1997 | 59° | 47° | 53° | 0.05" | — |
| 1996 | 60° | 54° | 57° | 0.89" | — |
| 1995 | 71° | 51° | 61° | 0.38" | — |
| 1994 | 60° | 41° | 51° | 0.03" | — |
| 1993 | 54° | 43° | 48° | — | — |
| 1992 | 63° | 41° | 52° | 0.03" | — |
| 1991 | 63° | 42° | 52° | 0.1" | — |
| 1990 | 60° | 47° | 53° | 0.15" | — |
| 1989 | 74° | 40° | 57° | — | — |
| 1988 | 57° | — | — | 0.05" | — |
| 1987 | 60° | 41° | 51° | 0.03" | — |
| 1986 | 61° | 43° | 52° | 0.1" | — |
| 1985coldest | 49° | 28° | 38° | — | — |
| 1984 | 60° | 40° | 50° | 0.03" | — |
| 1983 | 59° | 35° | 47° | — | — |
| 1982 | 55° | 34° | 44° | — | — |
| 1981 | 62° | 52° | 57° | 3.2" | — |
| 1980 | 69° | 36° | 52° | — | — |
| 1979 | 61° | 31° | 46° | — | — |
| 1978 | 63° | 44° | 53° | 0.08" | — |
| 1977 | 51° | 44° | 48° | — | — |
| 1976 | 63° | 50° | 56° | — | — |
| 1975 | 62° | 30° | 46° | — | — |
| 1974 | 60° | 52° | 56° | 0.89" | — |
| 1973 | 57° | 34° | 45° | 0.03" | — |
| 1972 | 58° | 41° | 49° | — | — |
| 1971 | 60° | 34° | 47° | — | — |
55 years of data from SANTA ROSA