Weather on March 17
Santa Rosa, CA
55 Years of Data
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.
| 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" | — |
Santa Rosa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Santa Rosa, CA Monthly Precipitation
Average rainfall per month, in inches.
Santa Rosa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Santa Rosa, CA
Most pleasant months in Santa Rosa, CA: July.