San Diego Weather in March
Average highs run from 30°C on March 1 to 31°C on March 31, and lows from 17°C to 18°C. Normal precipitation for the month is 18 mm over about 3 wet days.
March day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 31°C
- Average low
- 17°C
- Precipitation
- 18 mm
- Record high
- 42°CMar 20, 2016
- Record low
- 18°CMar 20, 1976
- Daylight
- 11 h 56 min to 12 h 13 min
- Cloud cover
- 61%
- Humidity
- 69%
- Dew point
- 16°C
- Wind
- 8.3 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Mar 1 | 30°C | 17°C | 38°C 2003 | 22°C 2001 | 5% |
| Mar 2 | 30°C | 17°C | 38°C 2012 | 23°C 2022 | 5% |
| Mar 3 | 31°C | 17°C | 38°C 2010 | 19°C 1973 | 6% |
| Mar 4 | 31°C | 17°C | 38°C 2012 | 21°C 1976 | 7% |
| Mar 5 | 31°C | 17°C | 39°C 2019 | 21°C 1982 | 8% |
| Mar 6 | 31°C | 17°C | 39°C 2020 | 20°C 1979 | 8% |
| Mar 7 | 31°C | 17°C | 38°C 2020 | 19°C 1977 | 9% |
| Mar 8 | 31°C | 17°C | 38°C 2013 | 19°C 1977 | 9% |
| Mar 9 | 31°C | 17°C | 37°C 1977 | 22°C 1982 | 9% |
| Mar 10 | 31°C | 17°C | 38°C 1973 | 21°C 2000 | 10% |
| Mar 11 | 31°C | 17°C | 39°C 2015 | 22°C 2011 | 10% |
| Mar 12 | 31°C | 17°C | 38°C 1978 | 19°C 1977 | 10% |
| Mar 13 | 31°C | 17°C | 38°C 2020 | 22°C 2022 | 10% |
| Mar 14 | 31°C | 17°C | 38°C 1978 | 19°C 1977 | 10% |
| Mar 15 | 31°C | 17°C | 40°C 2019 | 21°C 2018 | 10% |
| Mar 16 | 31°C | 17°C | 38°C 2020 | 19°C 1976 | 9% |
| Mar 17 | 31°C | 17°C | 39°C 2010 | 22°C 2011 | 9% |
| Mar 18 | 31°C | 17°C | 37°C 2015 | 22°C 1976 | 10% |
| Mar 19 | 31°C | 17°C | 39°C 2019 | 22°C 1973 | 10% |
| Mar 20 | 31°C | 17°C | 42°C 2016 | 18°C 1976 | 10% |
| Mar 21 | 31°C | 17°C | 38°C 2013 | 22°C 1980 | 10% |
| Mar 22 | 31°C | 18°C | 40°C 1983 | 22°C 1979 | 11% |
| Mar 23 | 31°C | 18°C | 37°C 2010 | 22°C 1982 | 11% |
| Mar 24 | 31°C | 18°C | 38°C 1983 | 18°C 1976 | 12% |
| Mar 25 | 31°C | 18°C | 39°C 2015 | 23°C 1982 | 12% |
| Mar 26 | 31°C | 18°C | 38°C 2015 | 18°C 1976 | 12% |
| Mar 27 | 31°C | 18°C | 39°C 1973 | 22°C 2008 | 13% |
| Mar 28 | 31°C | 18°C | 37°C 1977 | 22°C 1976 | 13% |
| Mar 29 | 31°C | 18°C | 38°C 2015 | 20°C 2005 | 14% |
| Mar 30 | 31°C | 18°C | 39°C 2010 | 18°C 1976 | 14% |
| Mar 31 | 31°C | 18°C | 37°C 2012 | 23°C 2000 | 15% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- March 1
- sunrise 6:07 AM, sunset 6:03 PM
- March 31
- sunrise 5:50 AM, sunset 6:03 PM
Other months
Sources
Records: NOAA GHCN-Daily, station COM00080036, every year on file, quality-flagged values removed. 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.