March weather in San Patricio, TX
The average temperature in San Patricio in March is 65.1°F (54.7°F–75.4°F). Average precipitation: 2.25 inches.
March is a spring month in San Patricio, and is cooler than the annual average of 71.1°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 11h 50m. For travel, March is one of the best months of the year to visit.
Avg High
75.4°F
Avg Low
54.7°F
Precipitation
2.25 in
Daylight
11h 50m
March records in San Patricio
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 89.1°F (2017) | 34.0°F (1968) | 0.54 in (2019) |
| March 2 | 93.0°F (1975) | 24.1°F (1980) | 1.06 in (1990) |
| March 3 | 91.0°F (1999) | 24.1°F (1980) | 0.25 in (2003) |
| March 4 | 89.1°F (1974) | 19.9°F (2002) | 0.40 in (2014) |
| March 5 | 91.9°F (1976) | 21.0°F (2002) | 1.70 in (2017) |
| March 6 | 96.1°F (1991) | 32.0°F (1966) | 2.18 in (2005) |
| March 7 | 96.1°F (1991) | 33.1°F (1989) | 1.34 in (2018) |
| March 8 | 90.0°F (1975) | 32.0°F (1966) | 0.18 in (1995) |
| March 9 | 91.9°F (2006) | 30.9°F (1965) | 1.56 in (2015) |
| March 10 | 88.0°F (1993) | 30.9°F (1996) | 1.03 in (2016) |
| March 11 | 91.0°F (2006) | 36.0°F (1996) | 0.83 in (2017) |
| March 12 | 96.1°F (2006) | 36.0°F (2022) | 1.64 in (1981) |
| March 13 | 93.9°F (1975) | 32.0°F (1993) | 2.63 in (1974) |
| March 14 | 96.1°F (1971) | 30.9°F (1993) | 1.09 in (1972) |
| March 15 | 100.9°F (2008) | 33.1°F (1993) | 3.45 in (2000) |
| March 16 | 93.9°F (2026) | 41.0°F (1988) | 1.90 in (1969) |
| March 17 | 89.1°F (2023) | 37.9°F (1976) | 0.71 in (1991) |
| March 18 | 91.9°F (2013) | 39.0°F (1976) | 2.50 in (2015) |
| March 19 | 91.9°F (2013) | 34.0°F (1965) | 0.77 in (1997) |
| March 20 | 90.0°F (1974) | 30.0°F (1965) | 2.99 in (2005) |
| March 21 | 95.0°F (1976) | 30.9°F (1965) | 0.47 in (2010) |
| March 22 | 91.9°F (2026) | 37.0°F (1968) | 1.65 in (2015) |
| March 23 | 93.0°F (1995) | 35.1°F (1968) | 0.42 in (1983) |
| March 24 | 93.0°F (1975) | 35.1°F (1968) | 0.86 in (1983) |
| March 25 | 91.9°F (1972) | 37.9°F (1974) | 0.21 in (1974) |
| March 26 | 91.0°F (2025) | 39.0°F (1965) | 0.97 in (2003) |
| March 27 | 91.9°F (1976) | 39.0°F (1965) | 3.42 in (2025) |
| March 28 | 100.9°F (1984) | 44.1°F (1970) | 2.42 in (1999) |
| March 29 | 96.1°F (1972) | 41.0°F (1970) | 5.45 in (1992) |
| March 30 | 96.1°F (1976) | 36.0°F (1987) | 1.70 in (1965) |
| March 31 | 100.0°F (1989) | 34.0°F (1987) | 0.44 in (2019) |