May weather in Rockport, TX
The average temperature in Rockport in May is 78.7°F (72.4°F–85.1°F). Average precipitation: 3.40 inches.
May is a spring month in Rockport, and is warmer than the annual average of 72.4°F. Daily temperatures swing about 12.7°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 24m. For travel, May is a comfortable month to visit.
Avg High
85.1°F
Avg Low
72.4°F
Precipitation
3.40 in
Daylight
13h 24m
May records in Rockport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (2006) | 54.0°F (1994) | 5.43 in (2021) |
| May 2 | 90.0°F (2006) | 53.1°F (1976) | 3.40 in (1981) |
| May 3 | 88.0°F (2010) | 51.1°F (2004) | 3.44 in (1981) |
| May 4 | 100.0°F (1984) | 51.1°F (2004) | 2.21 in (1966) |
| May 5 | 89.1°F (2024) | 52.0°F (1970) | 1.87 in (1966) |
| May 6 | 91.9°F (1999) | 54.0°F (1979) | 2.22 in (1993) |
| May 7 | 93.9°F (1973) | 54.0°F (1979) | 4.06 in (1972) |
| May 8 | 91.9°F (1973) | 52.0°F (1960) | 1.97 in (1968) |
| May 9 | 91.0°F (2006) | 59.0°F (1973) | 6.90 in (2004) |
| May 10 | 98.1°F (1998) | 57.9°F (1961) | 3.45 in (2019) |
| May 11 | 88.0°F (1996) | 57.0°F (1981) | 2.17 in (2006) |
| May 12 | 90.0°F (2012) | 55.9°F (1960) | 1.38 in (1988) |
| May 13 | 90.0°F (1978) | 54.0°F (1960) | 2.07 in (2011) |
| May 14 | 93.9°F (2024) | 57.0°F (1973) | 4.82 in (2004) |
| May 15 | 93.9°F (2024) | 48.0°F (1983) | 1.57 in (1967) |
| May 16 | 91.9°F (2008) | 54.0°F (1973) | 1.52 in (2020) |
| May 17 | 91.9°F (2025) | 55.0°F (1970) | 2.93 in (1986) |
| May 18 | 91.9°F (2025) | 61.0°F (1970) | 3.35 in (1999) |
| May 19 | 91.0°F (2025) | 61.0°F (1986) | 3.85 in (2021) |
| May 20 | 91.9°F (2024) | 59.0°F (1995) | 3.85 in (1976) |
| May 21 | 95.0°F (1995) | 61.0°F (1985) | 3.55 in (1967) |
| May 22 | 93.0°F (2025) | 59.0°F (1967) | 1.08 in (1997) |
| May 23 | 91.9°F (2024) | 59.0°F (2001) | 2.01 in (1993) |
| May 24 | 91.9°F (2024) | 60.1°F (1967) | 1.98 in (1970) |
| May 25 | 93.9°F (2024) | 62.1°F (1972) | 3.90 in (1971) |
| May 26 | 97.0°F (1980) | 57.0°F (1976) | 2.20 in (1976) |
| May 27 | 95.0°F (1980) | 61.0°F (1979) | 1.27 in (2025) |
| May 28 | 96.1°F (2024) | 61.0°F (1973) | 2.98 in (2025) |
| May 29 | 96.1°F (2024) | 57.9°F (1992) | 3.94 in (1995) |
| May 30 | 93.9°F (2024) | 60.1°F (1992) | 2.11 in (2006) |
| May 31 | 95.0°F (2024) | 57.9°F (1984) | 2.23 in (1992) |