San Francisco Weather in March
Average highs run from 35°C on March 1 to 36°C on March 31, and lows from 23°C to 24°C. Normal precipitation for the month is 6 mm over about 0 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
- 36°C
- Average low
- 23°C
- Precipitation
- 6 mm
- Reanalysis high
- 39°CMar 20, 1992
- Reanalysis low
- 17°CMar 3, 2009
- Daylight
- 11 h 52 min to 12 h 15 min
- Cloud cover
- 30%
- Humidity
- 51%
- Dew point
- 17°C
- Wind
- 12.2 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 | 35°C | 23°C | 37°C 2014 | 20°C 2000 | 3% |
| Mar 2 | 35°C | 23°C | 38°C 1995 | 19°C 2009 | 4% |
| Mar 3 | 36°C | 23°C | 38°C 1995 | 17°C 2009 | 4% |
| Mar 4 | 36°C | 23°C | 38°C 1995 | 18°C 2013 | 4% |
| Mar 5 | 36°C | 23°C | 38°C 2020 | 19°C 2009 | 3% |
| Mar 6 | 36°C | 23°C | 38°C 2020 | 20°C 2009 | 3% |
| Mar 7 | 36°C | 23°C | 39°C 2003 | 19°C 2001 | 3% |
| Mar 8 | 36°C | 23°C | 38°C 2019 | 19°C 2010 | 3% |
| Mar 9 | 36°C | 23°C | 39°C 1998 | 20°C 1999 | 4% |
| Mar 10 | 36°C | 23°C | 38°C 2003 | 21°C 1996 | 4% |
| Mar 11 | 36°C | 23°C | 38°C 2015 | 20°C 1996 | 4% |
| Mar 12 | 36°C | 23°C | 38°C 2015 | 17°C 1996 | 4% |
| Mar 13 | 36°C | 23°C | 38°C 2018 | 18°C 1996 | 4% |
| Mar 14 | 36°C | 23°C | 38°C 2004 | 19°C 1996 | 4% |
| Mar 15 | 36°C | 23°C | 39°C 2004 | 20°C 1993 | 4% |
| Mar 16 | 36°C | 23°C | 38°C 2004 | 20°C 1999 | 4% |
| Mar 17 | 36°C | 24°C | 39°C 2004 | 19°C 1996 | 4% |
| Mar 18 | 36°C | 24°C | 39°C 1991 | 20°C 1996 | 5% |
| Mar 19 | 36°C | 24°C | 39°C 1992 | 20°C 2009 | 5% |
| Mar 20 | 36°C | 24°C | 39°C 1992 | 21°C 1993 | 5% |
| Mar 21 | 36°C | 24°C | 39°C 1998 | 21°C 2009 | 5% |
| Mar 22 | 36°C | 24°C | 38°C 2002 | 20°C 1999 | 5% |
| Mar 23 | 36°C | 24°C | 39°C 2010 | 21°C 2011 | 6% |
| Mar 24 | 36°C | 24°C | 38°C 1991 | 19°C 1998 | 5% |
| Mar 25 | 36°C | 24°C | 38°C 1991 | 19°C 1998 | 5% |
| Mar 26 | 36°C | 24°C | 38°C 2014 | 21°C 1998 | 6% |
| Mar 27 | 36°C | 24°C | 39°C 2002 | 21°C 2001 | 6% |
| Mar 28 | 36°C | 24°C | 39°C 1996 | 21°C 2019 | 8% |
| Mar 29 | 36°C | 24°C | 38°C 1994 | 20°C 2009 | 8% |
| Mar 30 | 36°C | 24°C | 38°C 1994 | 22°C 2013 | 8% |
| Mar 31 | 36°C | 24°C | 38°C 2014 | 22°C 2003 | 9% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- March 1
- sunrise 6:09 AM, sunset 6:01 PM
- March 31
- sunrise 5:49 AM, sunset 6:04 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.