Santa Rosa Weather in March
Average highs run from 72°F on March 1 to 81°F on March 31, and lows from 40°F to 46°F. Normal precipitation for the month is 0.94 in over about 2 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 76°F
- Average low
- 43°F
- Precipitation
- 0.94 in
- Record high
- 106°FMar 19, 2026
- Record low
- 30°FMar 2, 2007
- Chance of a freeze
- 45%
- Days of 90°F or more
- 2.4
- Daylight
- 11 h 31 min to 12 h 30 min
- Cloud cover
- 37%
- Humidity
- 39%
- Dew point
- 32°F
- Wind
- 7.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Mar 1 | 72°F | 40°F | 94°F 2026 | 33°F 2007 | 10% |
| Mar 2 | 72°F | 40°F | 92°F 2026 | 30°F 2007 | 10% |
| Mar 3 | 73°F | 41°F | 92°F 2026 | 33°F 2002 | 10% |
| Mar 4 | 73°F | 41°F | 90°F 2016 | 30°F 1989 | 10% |
| Mar 5 | 73°F | 41°F | 87°F 2016 | 38°F 2002 | 10% |
| Mar 6 | 73°F | 41°F | 88°F 2021 | 39°F 1993 | 9% |
| Mar 7 | 74°F | 41°F | 88°F 1989 | 34°F 2022 | 9% |
| Mar 8 | 74°F | 42°F | 91°F 1989 | 32°F 2012 | 9% |
| Mar 9 | 74°F | 42°F | 91°F 1989 | 32°F 2012 | 9% |
| Mar 10 | 75°F | 42°F | 93°F 1989 | 33°F 2022 | 8% |
| Mar 11 | 75°F | 42°F | 92°F 1989 | 31°F 1988 | 8% |
| Mar 12 | 75°F | 42°F | 94°F 2026 | 32°F 1988 | 8% |
| Mar 13 | 75°F | 42°F | 92°F 1989 | 32°F 1988 | 8% |
| Mar 14 | 76°F | 43°F | 92°F 2017 | 30°F 1990 | 7% |
| Mar 15 | 76°F | 43°F | 91°F 2007 | 32°F 1990 | 7% |
| Mar 16 | 76°F | 43°F | 97°F 2007 | 34°F 2019 | 7% |
| Mar 17 | 77°F | 43°F | 99°F 2007 | 34°F 2019 | 7% |
| Mar 18 | 77°F | 43°F | 98°F 2026 | 36°F 1999 | 7% |
| Mar 19 | 77°F | 43°F | 106°F 2026 | 35°F 2002 | 6% |
| Mar 20 | 78°F | 44°F | 104°F 2026 | 33°F 2012 | 6% |
| Mar 21 | 78°F | 44°F | 104°F 2026 | 39°F 2006 | 6% |
| Mar 22 | 78°F | 44°F | 103°F 2026 | 37°F 2000 | 6% |
| Mar 23 | 78°F | 44°F | 99°F 2026 | 40°F 1991 | 6% |
| Mar 24 | 79°F | 44°F | 97°F 2026 | 37°F 2001 | 6% |
| Mar 25 | 79°F | 44°F | 99°F 2025 | 35°F 1995 | 5% |
| Mar 26 | 79°F | 45°F | 99°F 2025 | 31°F 1995 | 5% |
| Mar 27 | 80°F | 45°F | 101°F 2026 | 35°F 1995 | 5% |
| Mar 28 | 80°F | 45°F | 100°F 2026 | 37°F 1991 | 5% |
| Mar 29 | 80°F | 45°F | 98°F 2026 | 35°F 1991 | 5% |
| Mar 30 | 80°F | 45°F | 95°F 2004 | 34°F 1998 | 5% |
| Mar 31 | 81°F | 46°F | 93°F 2015 | 39°F 1998 | 4% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- March 1
- sunrise 6:55 AM, sunset 6:26 PM
- March 31
- sunrise 6:17 AM, sunset 6:47 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00020404 (Arizona City), public domain. Records: NOAA GHCN-Daily, station USC00026513, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.