May weather in San Patricio, TX
The average temperature in San Patricio in May is 77.4°F (67.7°F–87.0°F). Average precipitation: 3.00 inches.
May is a spring month in San Patricio, and is warmer than the annual average of 71.1°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 23m. For travel, May is a comfortable month to visit.
Avg High
87.0°F
Avg Low
67.7°F
Precipitation
3.00 in
Daylight
13h 23m
May records in San Patricio
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 97.0°F (2011) | 48.9°F (1996) | 4.20 in (1994) |
| May 2 | 96.1°F (1998) | 46.9°F (1970) | 2.03 in (1972) |
| May 3 | 96.1°F (1983) | 48.9°F (1970) | 4.00 in (1981) |
| May 4 | 99.0°F (1984) | 48.9°F (2013) | 1.47 in (1967) |
| May 5 | 99.0°F (1999) | 48.9°F (2013) | 2.51 in (1966) |
| May 6 | 96.1°F (2003) | 51.1°F (1970) | 2.40 in (1966) |
| May 7 | 98.1°F (1984) | 51.1°F (1970) | 1.27 in (2025) |
| May 8 | 99.0°F (1984) | 52.0°F (1970) | 1.54 in (1990) |
| May 9 | 100.0°F (2009) | 51.1°F (1992) | 2.67 in (2004) |
| May 10 | 97.0°F (1989) | 52.0°F (1984) | 2.01 in (1997) |
| May 11 | 106.0°F (2006) | 54.0°F (1969) | 2.90 in (1972) |
| May 12 | 95.0°F (1967) | 54.0°F (1969) | 2.03 in (2015) |
| May 13 | 97.0°F (1967) | 55.0°F (1971) | 2.46 in (1972) |
| May 14 | 100.9°F (1995) | 57.0°F (1971) | 2.15 in (2015) |
| May 15 | 97.0°F (1967) | 50.0°F (1973) | 2.95 in (1992) |
| May 16 | 95.0°F (1974) | 50.0°F (1973) | 2.38 in (2020) |
| May 17 | 98.1°F (2003) | 53.1°F (1970) | 3.36 in (1992) |
| May 18 | 99.0°F (1989) | 54.0°F (1970) | 3.04 in (1985) |
| May 19 | 98.1°F (1989) | 55.9°F (1970) | 1.85 in (1993) |
| May 20 | 99.0°F (1989) | 57.0°F (1986) | 1.92 in (2021) |
| May 21 | 99.0°F (2006) | 55.0°F (1986) | 1.39 in (1967) |
| May 22 | 100.0°F (2022) | 55.0°F (1986) | 0.95 in (1980) |
| May 23 | 96.1°F (1989) | 57.0°F (1967) | 1.83 in (1982) |
| May 24 | 97.0°F (1988) | 57.0°F (2001) | 2.57 in (1993) |
| May 25 | 99.0°F (1989) | 57.0°F (2001) | 1.64 in (2020) |
| May 26 | 100.0°F (1989) | 60.1°F (1967) | 2.59 in (2010) |
| May 27 | 98.1°F (1973) | 60.1°F (1977) | 1.20 in (2014) |
| May 28 | 96.1°F (1990) | 55.9°F (1970) | 1.32 in (2007) |
| May 29 | 98.1°F (1974) | 57.9°F (1970) | 1.32 in (2005) |
| May 30 | 97.0°F (2003) | 61.0°F (1973) | 2.66 in (1981) |
| May 31 | 98.1°F (1979) | 55.9°F (1984) | 4.70 in (1987) |