Weather on March 9
Santa Rosa, CA
55 Years of Data
Avg High
65°F
Avg Low
42°F
Warmest
2004
64°F avg
Coldest
2010
42°F avg
About This Date
March 9th in Santa Rosa, CA typically brings mild spring weather, with average highs around 65°F and lows near 42°F. Over 56 years of records, the warmest March 9th was in 2004 (64°F average), while the coldest was 2010 (42°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 9th dates historically, with the wettest March 9th recording 10.03" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for March 9th in Santa Rosa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 79° | 46° | 62° | — | — |
| 2025 | 64° | 35° | 50° | — | — |
| 2024 | 60° | 44° | 52° | 0.08" | — |
| 2023 | 53° | 37° | 45° | 2.11" | — |
| 2022 | 73° | 42° | 58° | — | — |
| 2021 | 57° | 38° | 47° | 0.43" | — |
| 2020 | 68° | 43° | 55° | — | — |
| 2019 | 54° | 41° | 47° | 0.86" | — |
| 2018 | 67° | 43° | 55° | — | — |
| 2017 | 72° | 53° | 62° | — | — |
| 2016 | 57° | 46° | 52° | — | — |
| 2015 | 70° | 45° | 57° | — | — |
| 2014 | 69° | 54° | 61° | — | — |
| 2013 | 69° | 41° | 55° | — | — |
| 2012 | 75° | 34° | 54° | — | — |
| 2011 | 66° | 40° | 53° | — | — |
| 2010coldest | 52° | 32° | 42° | — | — |
| 2009 | 64° | 31° | 47° | — | — |
| 2008 | 74° | 33° | 53° | — | — |
| 2007 | 62° | 42° | 52° | — | — |
| 2006 | 55° | 40° | 47° | — | — |
| 2005 | 78° | 46° | 62° | — | — |
| 2004warmest | 83° | 46° | 64° | — | — |
| 2003 | 67° | 36° | 51° | — | — |
| 2002 | 56° | 36° | 46° | — | — |
| 2001 | 60° | 41° | 51° | — | — |
| 2000 | 58° | 43° | 50° | 1.88" | — |
| 1999 | 52° | 40° | 46° | 0.51" | — |
| 1998 | 69° | 39° | 54° | — | — |
| 1997 | 77° | 45° | 61° | — | — |
| 1996 | 71° | 49° | 60° | — | — |
| 1995 | 62° | 56° | 59° | 10.03" | — |
| 1994 | 63° | 49° | 56° | — | — |
| 1993 | 65° | 50° | 57° | — | — |
| 1992 | 66° | 46° | 56° | — | — |
| 1991 | 65° | 40° | 52° | — | — |
| 1990 | 60° | 37° | 49° | — | — |
| 1989 | 59° | 55° | 57° | 0.84" | — |
| 1988 | 64° | 46° | 55° | — | — |
| 1987 | 59° | 42° | 51° | — | — |
| 1986 | 54° | 43° | 48° | 0.53" | — |
| 1985 | 62° | 40° | 51° | — | — |
| 1984 | 63° | 44° | 53° | — | — |
| 1983 | 68° | 52° | 60° | 0.28" | — |
| 1982 | 59° | 45° | 52° | 0.08" | — |
| 1981 | 70° | 40° | 55° | — | — |
| 1980 | 72° | 36° | 54° | — | — |
| 1979 | 77° | 43° | 60° | — | — |
| 1978 | 57° | 45° | 51° | 1.02" | — |
| 1977 | 64° | 40° | 52° | 0.2" | — |
| 1976 | 65° | 34° | 49° | — | — |
| 1975 | 60° | 43° | 51° | — | — |
| 1974 | 61° | 31° | 46° | — | — |
| 1973 | 69° | 44° | 57° | — | — |
| 1972 | 60° | 52° | 56° | — | — |
| 1971 | 59° | 36° | 47° | — | — |
56 years of data from SANTA ROSA