Santa Rosa Weather in March
Average highs run from 31°C on March 1 to 29°C on March 31, and lows from 21°C to 19°C. Normal precipitation for the month is 143 mm over about 16 wet days.
March day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
March at a glance
- Average high
- 31°C
- Average low
- 20°C
- Precipitation
- 143 mm
- Reanalysis high
- 41°CMar 5, 1998
- Reanalysis low
- 12°CMar 14, 2011
- Daylight
- 12 h 33 min to 11 h 52 min
- Cloud cover
- 73%
- Humidity
- 74%
- Dew point
- 19°C
- Wind
- 10.4 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Mar 1 | 31°C | 21°C | 40°C 2013 | 18°C 2000 | 56% |
| Mar 2 | 31°C | 21°C | 40°C 2013 | 16°C 2011 | 55% |
| Mar 3 | 31°C | 21°C | 40°C 2009 | 17°C 2014 | 55% |
| Mar 4 | 31°C | 21°C | 41°C 1998 | 17°C 2014 | 54% |
| Mar 5 | 31°C | 21°C | 41°C 1998 | 18°C 2013 | 54% |
| Mar 6 | 31°C | 21°C | 38°C 2004 | 19°C 1996 | 52% |
| Mar 7 | 31°C | 21°C | 38°C 2019 | 18°C 2018 | 52% |
| Mar 8 | 31°C | 21°C | 39°C 2017 | 18°C 2004 | 52% |
| Mar 9 | 31°C | 21°C | 41°C 2017 | 17°C 1995 | 52% |
| Mar 10 | 31°C | 21°C | 37°C 2020 | 17°C 2019 | 53% |
| Mar 11 | 31°C | 21°C | 37°C 1996 | 13°C 1998 | 54% |
| Mar 12 | 31°C | 21°C | 39°C 1996 | 14°C 1998 | 54% |
| Mar 13 | 31°C | 21°C | 36°C 1996 | 14°C 2011 | 54% |
| Mar 14 | 31°C | 21°C | 37°C 2014 | 12°C 2011 | 54% |
| Mar 15 | 31°C | 21°C | 37°C 1996 | 15°C 2011 | 53% |
| Mar 16 | 31°C | 21°C | 36°C 2014 | 16°C 2008 | 52% |
| Mar 17 | 30°C | 20°C | 38°C 2016 | 16°C 2008 | 52% |
| Mar 18 | 30°C | 20°C | 38°C 2016 | 15°C 2017 | 53% |
| Mar 19 | 30°C | 20°C | 36°C 2012 | 15°C 2017 | 52% |
| Mar 20 | 30°C | 20°C | 36°C 2012 | 15°C 2014 | 52% |
| Mar 21 | 30°C | 20°C | 36°C 2010 | 16°C 2019 | 52% |
| Mar 22 | 30°C | 20°C | 34°C 1996 | 15°C 2003 | 52% |
| Mar 23 | 30°C | 20°C | 35°C 1994 | 14°C 2014 | 51% |
| Mar 24 | 30°C | 20°C | 36°C 1994 | 15°C 2014 | 52% |
| Mar 25 | 30°C | 19°C | 35°C 2002 | 15°C 1994 | 52% |
| Mar 26 | 30°C | 19°C | 37°C 1996 | 13°C 1994 | 51% |
| Mar 27 | 30°C | 19°C | 33°C 1992 | 14°C 1998 | 50% |
| Mar 28 | 30°C | 19°C | 34°C 2005 | 13°C 2012 | 51% |
| Mar 29 | 29°C | 19°C | 35°C 1996 | 13°C 2000 | 50% |
| Mar 30 | 29°C | 19°C | 36°C 2013 | 13°C 2000 | 49% |
| Mar 31 | 29°C | 19°C | 37°C 2013 | 15°C 1999 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- March 1
- sunrise 7:13 AM, sunset 7:46 PM
- March 31
- sunrise 7:26 AM, sunset 7:18 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.