Santa Rosa Weather in March
Average highs run from 23°C on March 1 to 23°C on March 31, and lows from 15°C to 15°C. Normal precipitation for the month is 62 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
- 23°C
- Average low
- 15°C
- Precipitation
- 62 mm
- Reanalysis high
- 29°CMar 8, 2010
- Reanalysis low
- 12°CMar 10, 2012
- Daylight
- 12 h 18 min to 11 h 59 min
- Cloud cover
- 88%
- Humidity
- 82%
- Dew point
- 15°C
- Wind
- 5.8 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 | 23°C | 15°C | 27°C 2004 | 14°C 2002 | 59% |
| Mar 2 | 23°C | 15°C | 29°C 2020 | 14°C 1995 | 58% |
| Mar 3 | 23°C | 15°C | 25°C 1992 | 13°C 2001 | 58% |
| Mar 4 | 23°C | 15°C | 25°C 2014 | 14°C 1999 | 57% |
| Mar 5 | 23°C | 15°C | 26°C 2020 | 13°C 1997 | 56% |
| Mar 6 | 23°C | 15°C | 27°C 2013 | 14°C 1997 | 54% |
| Mar 7 | 23°C | 15°C | 27°C 2020 | 13°C 2008 | 54% |
| Mar 8 | 23°C | 15°C | 29°C 2010 | 13°C 2008 | 54% |
| Mar 9 | 23°C | 15°C | 27°C 2014 | 13°C 1999 | 53% |
| Mar 10 | 23°C | 15°C | 27°C 2020 | 12°C 2012 | 53% |
| Mar 11 | 23°C | 15°C | 28°C 2020 | 13°C 2012 | 52% |
| Mar 12 | 23°C | 15°C | 26°C 2010 | 14°C 1999 | 50% |
| Mar 13 | 23°C | 15°C | 28°C 2020 | 13°C 1999 | 50% |
| Mar 14 | 23°C | 15°C | 27°C 2020 | 14°C 1999 | 50% |
| Mar 15 | 23°C | 15°C | 26°C 1992 | 14°C 2001 | 50% |
| Mar 16 | 23°C | 15°C | 28°C 2009 | 14°C 2008 | 47% |
| Mar 17 | 23°C | 15°C | 26°C 2010 | 14°C 1995 | 47% |
| Mar 18 | 23°C | 15°C | 27°C 2004 | 14°C 1993 | 45% |
| Mar 19 | 23°C | 15°C | 29°C 1992 | 14°C 1993 | 44% |
| Mar 20 | 23°C | 15°C | 28°C 1992 | 13°C 2009 | 44% |
| Mar 21 | 23°C | 15°C | 26°C 2017 | 13°C 2009 | 43% |
| Mar 22 | 23°C | 15°C | 26°C 2015 | 14°C 2015 | 42% |
| Mar 23 | 23°C | 15°C | 26°C 2013 | 14°C 2005 | 42% |
| Mar 24 | 23°C | 15°C | 26°C 2003 | 14°C 2015 | 41% |
| Mar 25 | 23°C | 15°C | 27°C 2016 | 13°C 2000 | 40% |
| Mar 26 | 23°C | 15°C | 27°C 1998 | 13°C 2000 | 40% |
| Mar 27 | 23°C | 15°C | 28°C 2003 | 13°C 2018 | 40% |
| Mar 28 | 23°C | 15°C | 26°C 2016 | 13°C 1991 | 38% |
| Mar 29 | 23°C | 15°C | 27°C 2010 | 13°C 1991 | 35% |
| Mar 30 | 23°C | 15°C | 26°C 1998 | 14°C 1997 | 34% |
| Mar 31 | 23°C | 15°C | 28°C 2019 | 13°C 1993 | 35% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- March 1
- sunrise 6:03 AM, sunset 6:21 PM
- March 31
- sunrise 6:04 AM, sunset 6:03 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.