February weather in San Marcos, CA
The average temperature in San Marcos in February is 57.3°F (45.9°F–68.7°F). Average precipitation: 3.57 inches.
February is a winter month in San Marcos, and is cooler than the annual average of 65.8°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 49m. For travel, February is a comfortable month to visit.
Avg High
68.7°F
Avg Low
45.9°F
Precipitation
3.57 in
Daylight
10h 49m
February records in San Marcos
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 91.9°F (2026) | 30.0°F (1985) | 1.87 in (1996) |
| February 2 | 84.9°F (1995) | 30.9°F (2004) | 1.00 in (1988) |
| February 3 | 89.1°F (1995) | 32.0°F (2002) | 1.27 in (1998) |
| February 4 | 89.1°F (2001) | 35.1°F (1981) | 1.20 in (1994) |
| February 5 | 87.1°F (2007) | 28.0°F (1985) | 0.61 in (2024) |
| February 6 | 82.9°F (2015) | 30.9°F (1989) | 1.33 in (1998) |
| February 7 | 88.0°F (1996) | 33.1°F (2004) | 1.41 in (1992) |
| February 8 | 88.0°F (1996) | 33.1°F (2001) | 1.90 in (1993) |
| February 9 | 89.1°F (2016) | 33.1°F (2001) | 0.49 in (1985) |
| February 10 | 89.1°F (2022) | 30.9°F (1986) | 0.95 in (1982) |
| February 11 | 93.9°F (1988) | 30.9°F (1980) | 1.00 in (2003) |
| February 12 | 90.0°F (2022) | 34.0°F (1999) | 1.32 in (2005) |
| February 13 | 88.0°F (2015) | 36.0°F (1999) | 1.51 in (2025) |
| February 14 | 87.1°F (2008) | 35.1°F (1989) | 3.15 in (2019) |
| February 15 | 89.1°F (2016) | 27.0°F (1990) | 2.80 in (1986) |
| February 16 | 91.0°F (2016) | 30.0°F (1990) | 1.90 in (1986) |
| February 17 | 84.0°F (1981) | 35.1°F (2001) | 1.22 in (1980) |
| February 18 | 84.9°F (1981) | 32.0°F (2008) | 1.96 in (1980) |
| February 19 | 89.1°F (1995) | 33.1°F (1990) | 1.27 in (1980) |
| February 20 | 89.1°F (1995) | 34.0°F (2018) | 1.36 in (1980) |
| February 21 | 86.0°F (2002) | 35.1°F (1987) | 1.75 in (2005) |
| February 22 | 91.0°F (2002) | 35.1°F (2019) | 0.86 in (2004) |
| February 23 | 88.0°F (1989) | 35.1°F (2019) | 1.24 in (2005) |
| February 24 | 89.1°F (1986) | 34.0°F (2018) | 1.55 in (1998) |
| February 25 | 86.0°F (1986) | 36.0°F (2013) | 1.69 in (2023) |
| February 26 | 88.0°F (2002) | 36.0°F (2013) | 1.48 in (2011) |
| February 27 | 96.1°F (2026) | 34.0°F (1987) | 2.38 in (2017) |
| February 28 | 95.0°F (2026) | 37.0°F (1987) | 2.06 in (2017) |
| February 29 | 79.0°F (2016) | 37.0°F (1996) | 0.00 in (1980) |