March weather in San Marino, CA
The average temperature in San Marino in March is 60.5°F (48.4°F–72.6°F). Average precipitation: 3.03 inches.
March is a spring month in San Marino, and is cooler than the annual average of 66°F. Daily temperatures swing about 24.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 11h 47m. For travel, March is a comfortable month to visit.
Avg High
72.6°F
Avg Low
48.4°F
Precipitation
3.03 in
Daylight
11h 47m
March records in San Marino
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 89.1°F (1910) | 30.9°F (1922) | 4.98 in (1978) |
| March 2 | 90.0°F (1910) | 23.0°F (1978) | 7.70 in (1938) |
| March 3 | 88.0°F (1910) | 33.1°F (1917) | 2.25 in (1992) |
| March 4 | 91.9°F (1972) | 34.0°F (1951) | 4.47 in (1943) |
| March 5 | 90.0°F (1972) | 32.0°F (1923) | 2.20 in (2000) |
| March 6 | 86.0°F (1914) | 35.1°F (1922) | 2.41 in (1975) |
| March 7 | 89.1°F (1914) | 33.1°F (1893) | 3.67 in (1952) |
| March 8 | 91.9°F (2004) | 33.1°F (1964) | 2.90 in (1968) |
| March 9 | 91.0°F (1997) | 30.9°F (1935) | 3.06 in (1911) |
| March 10 | 98.1°F (1916) | 30.9°F (1893) | 2.67 in (1929) |
| March 11 | 95.0°F (1916) | 30.0°F (1917) | 3.14 in (1995) |
| March 12 | 91.9°F (2007) | 28.9°F (1922) | 1.55 in (1941) |
| March 13 | 91.0°F (2013) | 30.9°F (1917) | 1.75 in (2020) |
| March 14 | 93.0°F (2015) | 34.0°F (1912) | 1.70 in (1930) |
| March 15 | 93.9°F (2015) | 30.0°F (1917) | 2.36 in (1930) |
| March 16 | 93.9°F (2026) | 34.0°F (1917) | 2.63 in (1986) |
| March 17 | 99.0°F (2026) | 33.1°F (1952) | 1.83 in (1982) |
| March 18 | 91.9°F (1997) | 33.1°F (1920) | 1.02 in (1980) |
| March 19 | 96.1°F (1997) | 35.1°F (1920) | 2.30 in (1991) |
| March 20 | 95.0°F (1997) | 33.1°F (1935) | 2.59 in (2011) |
| March 21 | 93.9°F (1931) | 33.1°F (1919) | 2.10 in (1909) |
| March 22 | 90.0°F (1931) | 34.0°F (1919) | 1.28 in (1909) |
| March 23 | 90.0°F (1927) | 32.0°F (1929) | 1.50 in (1992) |
| March 24 | 93.9°F (2025) | 30.9°F (1929) | 1.44 in (1948) |
| March 25 | 96.1°F (1988) | 30.9°F (1929) | 2.33 in (1998) |
| March 26 | 96.1°F (1988) | 34.0°F (1913) | 3.54 in (1993) |
| March 27 | 93.0°F (2015) | 34.0°F (1920) | 1.59 in (1991) |
| March 28 | 90.0°F (2015) | 35.1°F (1920) | 2.00 in (1895) |
| March 29 | 91.0°F (2004) | 37.0°F (1920) | 2.05 in (1941) |
| March 30 | 91.9°F (1934) | 36.0°F (1925) | 2.50 in (1946) |
| March 31 | 95.0°F (1966) | 36.0°F (1917) | 2.16 in (1936) |