Weather on November 18
Santa Rosa, CA
55 Years of Data
Avg High
65°F
Avg Low
43°F
Warmest
1989
64°F avg
Coldest
1985
42°F avg
About This Date
November 18th in Santa Rosa, CA typically brings mild fall weather, with average highs around 65°F and lows near 43°F. Over 55 years of records, the warmest November 18th was in 1989 (64°F average), while the coldest was 1985 (42°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 35% of November 18th dates historically, with the wettest November 18th recording 6.22" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for November 18th in Santa Rosa, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 45° | 52° | 0.13" | — |
| 2024 | 58° | 35° | 46° | 0.15" | — |
| 2023 | 66° | 57° | 62° | 4.14" | — |
| 2022 | 67° | 35° | 51° | — | — |
| 2021 | 62° | 42° | 52° | — | — |
| 2020 | 63° | 56° | 59° | 1.96" | — |
| 2019 | 76° | 43° | 59° | — | — |
| 2018 | 61° | 36° | 48° | — | — |
| 2017 | 62° | 32° | 47° | — | — |
| 2016 | 65° | 42° | 53° | — | — |
| 2015 | 72° | 50° | 61° | — | — |
| 2014 | 66° | 48° | 57° | — | — |
| 2013 | 56° | 42° | 49° | — | — |
| 2012 | 56° | 43° | 49° | — | — |
| 2011 | 58° | 43° | 50° | 0.08" | — |
| 2010 | 63° | 42° | 52° | — | — |
| 2009 | 60° | 38° | 49° | 0.64" | — |
| 2008 | 76° | 47° | 61° | — | — |
| 2007 | 63° | 48° | 55° | — | — |
| 2006 | 69° | 46° | 58° | — | — |
| 2005 | 80° | 38° | 59° | — | — |
| 2004 | 69° | 42° | 56° | — | — |
| 2003 | 69° | 39° | 54° | — | — |
| 2002 | 69° | 41° | 55° | — | — |
| 2001 | 62° | 41° | 52° | 0.03" | — |
| 2000 | 64° | 34° | 49° | — | — |
| 1999 | 61° | 38° | 49° | — | — |
| 1998 | 64° | 41° | 53° | — | — |
| 1997 | 57° | 48° | 53° | 0.1" | — |
| 1996 | 62° | 57° | 60° | 1.88" | — |
| 1995 | 67° | 55° | 61° | — | — |
| 1994 | 55° | 38° | 46° | — | — |
| 1993 | 65° | 44° | 54° | — | — |
| 1992 | 68° | 42° | 55° | — | — |
| 1991 | 63° | 43° | 53° | 0.1" | — |
| 1990 | 64° | 43° | 53° | — | — |
| 1989warmest | 80° | 49° | 64° | — | — |
| 1988 | 61° | 41° | 51° | — | — |
| 1987 | 69° | 48° | 59° | 0.03" | — |
| 1986 | 68° | 41° | 55° | — | — |
| 1985coldest | 54° | 30° | 42° | — | — |
| 1984 | 61° | 45° | 53° | 1.14" | — |
| 1983 | 62° | 42° | 52° | 0.43" | — |
| 1982 | 59° | 54° | 56° | 6.22" | — |
| 1981 | 62° | 37° | 50° | — | — |
| 1980 | 72° | 37° | 54° | — | — |
| 1979 | 61° | 38° | 49° | — | — |
| 1978 | 66° | 33° | 50° | 0.05" | — |
| 1977 | 67° | 36° | 51° | — | — |
| 1976 | 75° | 49° | 62° | 0.05" | — |
| 1975 | 58° | 36° | 47° | — | — |
| 1974 | 65° | 49° | 57° | 0.61" | — |
| 1973 | 57° | 39° | 48° | 0.25" | — |
| 1972 | 62° | 42° | 52° | 0.23" | — |
| 1971 | 71° | 39° | 55° | — | — |
55 years of data from SANTA ROSA