Weather on March 17
Santa Rosa, CA
55 Years of Data
Avg High
67°F
Avg Low
42°F
Warmest
2026
69°F avg
Coldest
1973
45°F avg
About This Date
March 17th in Santa Rosa, CA typically brings mild spring weather, with average highs around 67°F and lows near 42°F — a 25°F daily swing. Over 56 years of records, the warmest March 17th was in 2026 (69°F average), while the coldest was 1973 (45°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 34% of March 17th dates historically, with the wettest March 17th recording 3.45" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for March 17th 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 |
|---|---|---|---|---|---|
| 2026warmest | 90° | 49° | 69° | — | — |
| 2025 | 57° | 44° | 51° | 1.45" | — |
| 2024 | 70° | 45° | 57° | — | — |
| 2023 | 69° | 36° | 52° | — | — |
| 2022 | 70° | 34° | 52° | — | — |
| 2021 | 60° | 36° | 48° | — | — |
| 2020 | 58° | 38° | 48° | 0.3" | — |
| 2019 | 76° | 39° | 57° | — | — |
| 2018 | 58° | 38° | 48° | 0.13" | — |
| 2017 | 76° | 48° | 62° | — | — |
| 2016 | 76° | 49° | 62° | — | — |
| 2015 | 71° | 48° | 60° | — | — |
| 2014 | 70° | 48° | 59° | — | — |
| 2013 | 69° | 45° | 57° | — | — |
| 2012 | 57° | 37° | 47° | 0.84" | — |
| 2011 | 60° | 33° | 47° | 0.1" | — |
| 2010 | 77° | 46° | 62° | — | — |
| 2009 | 72° | 52° | 62° | — | — |
| 2008 | 71° | 36° | 53° | — | — |
| 2007 | 82° | 42° | 62° | — | — |
| 2006 | 61° | 42° | 51° | 1.14" | — |
| 2005 | 64° | 47° | 55° | — | — |
| 2004 | 86° | 45° | 65° | — | — |
| 2003 | 65° | 37° | 51° | — | — |
| 2002 | 54° | 40° | 47° | 0.25" | — |
| 2001 | 74° | 48° | 61° | — | — |
| 2000 | 74° | 42° | 58° | — | — |
| 1999 | 58° | 46° | 52° | — | — |
| 1998 | 71° | 46° | 59° | — | — |
| 1997 | 65° | 48° | 56° | 0.89" | — |
| 1996 | 87° | 47° | 67° | — | — |
| 1995 | 65° | 43° | 54° | — | — |
| 1994 | 68° | 39° | 54° | — | — |
| 1993 | 63° | 54° | 58° | 3.12" | — |
| 1992 | 64° | 41° | 53° | 0.03" | — |
| 1991 | 53° | 44° | 49° | 1.27" | — |
| 1990 | 66° | 45° | 55° | 0.03" | — |
| 1989 | 58° | 45° | 51° | 0.41" | — |
| 1988 | 70° | 40° | 55° | — | — |
| 1987 | 66° | 41° | 54° | — | — |
| 1986 | 62° | 39° | 51° | — | — |
| 1985 | 55° | 44° | 50° | — | — |
| 1984 | 62° | 38° | 50° | 1.24" | — |
| 1983 | 55° | 45° | 50° | 3.45" | — |
| 1982 | 57° | 38° | 47° | 0.51" | — |
| 1981 | 68° | 38° | 53° | — | — |
| 1980 | 62° | 36° | 49° | — | — |
| 1979 | 53° | 37° | 45° | 3.3" | — |
| 1978 | 78° | 43° | 60° | — | — |
| 1977 | 63° | 35° | 49° | — | — |
| 1976 | 74° | 44° | 59° | — | — |
| 1975 | 55° | 40° | 47° | 0.43" | — |
| 1974 | 73° | 51° | 62° | — | — |
| 1973coldest | 55° | 36° | 45° | — | — |
| 1972 | 77° | 46° | 62° | — | — |
| 1971 | 73° | 37° | 55° | 0.05" | — |
56 years of data from SANTA ROSA