January weather in Rockport, TX
The average temperature in Rockport in January is 55.9°F (46.2°F–65.6°F). Average precipitation: 2.58 inches.
January is a winter month in Rockport, and is cooler than the annual average of 72.4°F. Daily temperatures swing about 19.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 24m. For travel, January is a comfortable month to visit.
Avg High
65.6°F
Avg Low
46.2°F
Precipitation
2.58 in
Daylight
10h 24m
January records in Rockport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 82.0°F (1985) | 28.0°F (1974) | 0.57 in (2001) |
| January 2 | 78.1°F (1997) | 19.0°F (1979) | 0.99 in (1985) |
| January 3 | 82.9°F (2006) | 19.9°F (1979) | 1.04 in (2024) |
| January 4 | 87.1°F (2026) | 25.0°F (1959) | 2.03 in (2007) |
| January 5 | 80.1°F (2009) | 27.0°F (1969) | 1.22 in (1992) |
| January 6 | 80.1°F (2026) | 28.0°F (1971) | 0.53 in (1961) |
| January 7 | 82.9°F (2026) | 23.0°F (1970) | 0.71 in (2000) |
| January 8 | 82.9°F (2026) | 21.9°F (1996) | 2.99 in (2000) |
| January 9 | 81.0°F (2026) | 24.1°F (2010) | 2.42 in (2013) |
| January 10 | 80.1°F (2026) | 18.0°F (1962) | 1.92 in (2025) |
| January 11 | 82.0°F (1980) | 18.0°F (1982) | 2.86 in (1979) |
| January 12 | 75.9°F (2005) | 14.0°F (1962) | 1.00 in (2019) |
| January 13 | 78.1°F (1996) | 21.9°F (1963) | 1.43 in (1967) |
| January 14 | 77.0°F (1960) | 21.0°F (1982) | 1.42 in (1999) |
| January 15 | 75.0°F (2026) | 26.1°F (2024) | 3.25 in (2010) |
| January 16 | 78.1°F (1986) | 23.0°F (2024) | 2.00 in (2011) |
| January 17 | 75.9°F (2026) | 25.0°F (2024) | 0.60 in (2004) |
| January 18 | 80.1°F (1999) | 32.0°F (2007) | 2.50 in (1992) |
| January 19 | 79.0°F (1988) | 23.0°F (1984) | 1.57 in (1981) |
| January 20 | 81.0°F (1972) | 23.0°F (1963) | 0.83 in (1997) |
| January 21 | 75.0°F (1986) | 21.9°F (1985) | 4.61 in (1980) |
| January 22 | 79.0°F (2010) | 21.0°F (2025) | 2.17 in (2024) |
| January 23 | 77.0°F (1965) | 27.0°F (1966) | 1.00 in (2020) |
| January 24 | 78.1°F (1986) | 18.0°F (1963) | 0.94 in (2007) |
| January 25 | 78.1°F (1976) | 32.0°F (1963) | 1.25 in (2007) |
| January 26 | 82.0°F (1996) | 25.0°F (2026) | 1.34 in (1992) |
| January 27 | 80.1°F (1996) | 26.1°F (2026) | 1.27 in (2007) |
| January 28 | 80.1°F (1977) | 30.0°F (1961) | 0.60 in (2005) |
| January 29 | 80.1°F (1983) | 28.9°F (1973) | 0.35 in (2010) |
| January 30 | 82.0°F (1983) | 24.1°F (1966) | 1.21 in (1972) |
| January 31 | 87.1°F (1983) | 30.9°F (1979) | 0.30 in (1969) |