Weather on November 20
Santa Rosa, CA
55 Years of Data
Avg High
63°F
Avg Low
43°F
Warmest
2015
63°F avg
Coldest
1977
42°F avg
About This Date
November 20th in Santa Rosa, CA typically brings mild fall weather, with average highs around 63°F and lows near 43°F. Over 55 years of records, the warmest November 20th was in 2015 (63°F average), while the coldest was 1977 (42°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 36% of November 20th dates historically, with the wettest November 20th recording 10.54" of rain. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for November 20th in Santa Rosa, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 52° | 56° | 0.33" | — |
| 2024 | 56° | 49° | 52° | 10.54" | — |
| 2023 | 68° | 39° | 54° | — | — |
| 2022 | 63° | 29° | 46° | — | — |
| 2021 | 67° | 43° | 55° | 0.05" | — |
| 2020 | 64° | 35° | 50° | — | — |
| 2019 | 70° | 44° | 57° | — | — |
| 2018 | 65° | 34° | 49° | — | — |
| 2017 | 59° | 50° | 55° | 0.38" | — |
| 2016 | 62° | 50° | 56° | — | — |
| 2015warmest | 76° | 51° | 63° | — | — |
| 2014 | 54° | 47° | 50° | — | — |
| 2013 | 57° | 49° | 53° | — | — |
| 2012 | 58° | 54° | 56° | — | — |
| 2011 | 54° | 45° | 49° | 1.22" | — |
| 2010 | 53° | 41° | 47° | 1.78" | — |
| 2009 | 57° | 37° | 47° | 1.02" | — |
| 2008 | 65° | 52° | 58° | 0.05" | — |
| 2007 | 65° | 36° | 50° | — | — |
| 2006 | 63° | 50° | 56° | — | — |
| 2005 | 75° | 36° | 55° | — | — |
| 2004 | 73° | 36° | 54° | — | — |
| 2003 | 65° | 46° | 55° | — | — |
| 2002 | 71° | 45° | 58° | — | — |
| 2001 | 67° | 58° | 62° | 0.81" | — |
| 2000 | 62° | 36° | 49° | — | — |
| 1999 | 61° | 54° | 57° | 0.13" | — |
| 1998 | 65° | 39° | 52° | — | — |
| 1997 | 64° | 41° | 53° | — | — |
| 1996 | 65° | 56° | 60° | 0.3" | — |
| 1995 | 75° | 44° | 60° | — | — |
| 1994 | 56° | 38° | 47° | — | — |
| 1993 | 65° | 34° | 49° | — | — |
| 1992 | 64° | 38° | 51° | — | — |
| 1991 | 62° | 49° | 55° | 0.18" | — |
| 1990 | 58° | 38° | 48° | — | — |
| 1989 | 74° | 42° | 58° | — | — |
| 1988 | 61° | 42° | 51° | — | — |
| 1987 | 64° | 51° | 58° | 3.43" | — |
| 1986 | 60° | 39° | 50° | — | — |
| 1985 | 51° | 39° | 45° | 0.03" | — |
| 1984 | 60° | 44° | 52° | 0.46" | — |
| 1983 | 55° | 47° | 51° | 2.16" | — |
| 1982 | 59° | 36° | 47° | 0.1" | — |
| 1981 | 64° | 40° | 52° | — | — |
| 1980 | 71° | 40° | 55° | — | — |
| 1979 | 64° | 30° | 47° | — | — |
| 1978 | 55° | 45° | 50° | 1.22" | — |
| 1977coldest | 53° | 30° | 42° | — | — |
| 1976 | 63° | 48° | 55° | — | — |
| 1975 | 60° | 44° | 52° | 0.33" | — |
| 1974 | 65° | 42° | 53° | — | — |
| 1973 | 58° | 38° | 48° | 0.61" | — |
| 1972 | 63° | 34° | 48° | — | — |
| 1971 | 70° | 34° | 52° | — | — |
55 years of data from SANTA ROSA