Port Aransas weather by month
What a typical year looks like in Port Aransas, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Corpus Christi NAS, 25 km from Port Aransas; records cover 1945–2026.
The year at a glance
- Precipitation a year
- 35.2 in894 mm
- Snow a year
- Rare
- Last spring freeze
- Jan 17
- First fall freeze
- Rare
- Heating degree days
- 583
- Cooling degree days
- 4,238
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 36°2° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Port Aransas in January
Highs average 68°20° and lows 52°11°, with 1.8 in45 mm of precipitation in a typical January.
- Record high
- 92°33° (2022)
- Record low
- 19°−7° (1962)
- Heating degree days
- 202
- Cooling degree days
- 38
Port Aransas in February
Highs average 71°22° and lows 56°13°, with 1.7 in42 mm of precipitation in a typical February.
- Record high
- 94°34° (1954)
- Record low
- 20°−7° (2021)
- Heating degree days
- 111
- Cooling degree days
- 69
Port Aransas in March
Highs average 76°25° and lows 62°17°, with 2.4 in60 mm of precipitation in a typical March.
- Record high
- 100°38° (1984)
- Record low
- 25°−4° (1980)
- Heating degree days
- 41
- Cooling degree days
- 170
Port Aransas in April
Highs average 82°28° and lows 68°20°, with 2.5 in63 mm of precipitation in a typical April.
- Record high
- 99°37° (2017)
- Record low
- 40°4° (1980)
- Heating degree days
- 6
- Cooling degree days
- 301
Port Aransas in May
Highs average 87°30° and lows 75°24°, with 3.6 in91 mm of precipitation in a typical May.
- Record high
- 101°38° (1984)
- Record low
- 52°11° (2013)
- Heating degree days
- 0
- Cooling degree days
- 482
Port Aransas in June
Highs average 91°33° and lows 79°26°, with 3.6 in90 mm of precipitation in a typical June.
- Record high
- 103°39° (1998)
- Record low
- 64°18° (1955)
- Heating degree days
- 0
- Cooling degree days
- 607
Port Aransas in July
Highs average 92°34° and lows 80°27°, with 2.6 in67 mm of precipitation in a typical July.
- Record high
- 99°37° (2019)
- Record low
- 69°21° (1967)
- Heating degree days
- 0
- Cooling degree days
- 662
Port Aransas in August
Highs average 94°34° and lows 80°27°, with 2 in52 mm of precipitation in a typical August.
- Record high
- 101°38° (1954)
- Record low
- 67°19° (1967)
- Heating degree days
- 0
- Cooling degree days
- 680
Port Aransas in September
Highs average 91°33° and lows 77°25°, with 6.2 in158 mm of precipitation in a typical September.
- Record high
- 104°40° (2005)
- Record low
- 54°12° (1985)
- Heating degree days
- 0
- Cooling degree days
- 567
Port Aransas in OctoberThis month
Highs average 85°30° and lows 71°22°, with 4.7 in120 mm of precipitation in a typical October.
- Record high
- 98°37° (1991)
- Record low
- 39°4° (1993)
- Heating degree days
- 4
- Cooling degree days
- 411
Port Aransas in November
Highs average 77°25° and lows 61°16°, with 2.7 in68 mm of precipitation in a typical November.
- Record high
- 97°36° (1988)
- Record low
- 31°−1° (1976)
- Heating degree days
- 57
- Cooling degree days
- 180
Port Aransas in December
Highs average 70°21° and lows 54°12°, with 1.5 in38 mm of precipitation in a typical December.
- Record high
- 91°33° (1977)
- Record low
- 15°−9° (1989)
- Heating degree days
- 162
- Cooling degree days
- 71