Galveston weather by month
What a typical year looks like in Galveston, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at GALVESTON SCHOLES FIELD, 14 km from Galveston; records cover 1946–2026.
The year at a glance
- Precipitation a year
- 47.2 in1199 mm
- Snow a year
- Rare
- Last spring freeze
- Jan 14
- First fall freeze
- Rare
- Heating degree days
- 888
- Cooling degree days
- 3,571
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
Galveston in January
Highs average 63°17° and lows 49°9°, with 4.3 in109 mm of precipitation in a typical January.
- Record high
- 87°31° (1952)
- Record low
- 17°−8° (1962)
- Heating degree days
- 290
- Cooling degree days
- 13
Galveston in February
Highs average 66°19° and lows 52°11°, with 2.1 in54 mm of precipitation in a typical February.
- Record high
- 83°28° (2022)
- Record low
- 18°−8° (1951)
- Heating degree days
- 182
- Cooling degree days
- 24
Galveston in March
Highs average 72°22° and lows 58°15°, with 3 in77 mm of precipitation in a typical March.
- Record high
- 89°32° (2018)
- Record low
- 32°0° (1948)
- Heating degree days
- 78
- Cooling degree days
- 84
Galveston in April
Highs average 78°26° and lows 65°18°, with 2.1 in52 mm of precipitation in a typical April.
- Record high
- 95°35° (2011)
- Record low
- 41°5° (2007)
- Heating degree days
- 12
- Cooling degree days
- 207
Galveston in May
Highs average 84°29° and lows 72°22°, with 3 in77 mm of precipitation in a typical May.
- Record high
- 93°34° (2011)
- Record low
- 50°10° (2013)
- Heating degree days
- 0
- Cooling degree days
- 409
Galveston in June
Highs average 90°32° and lows 78°26°, with 4.2 in107 mm of precipitation in a typical June.
- Record high
- 100°38° (2012)
- Record low
- 60°16° (1955)
- Heating degree days
- 0
- Cooling degree days
- 564
Galveston in July
Highs average 91°33° and lows 80°27°, with 3.4 in87 mm of precipitation in a typical July.
- Record high
- 100°38° (2026)
- Record low
- 67°19° (1963)
- Heating degree days
- 0
- Cooling degree days
- 636
Galveston in August
Highs average 92°33° and lows 80°27°, with 4.7 in120 mm of precipitation in a typical August.
- Record high
- 101°38° (2023)
- Record low
- 70°21° (1946)
- Heating degree days
- 0
- Cooling degree days
- 648
Galveston in September
Highs average 89°32° and lows 76°24°, with 6.7 in169 mm of precipitation in a typical September.
- Record high
- 104°40° (2000)
- Record low
- 58°14° (2000)
- Heating degree days
- 0
- Cooling degree days
- 522
Galveston in OctoberThis month
Highs average 82°28° and lows 69°20°, with 5.2 in131 mm of precipitation in a typical October.
- Record high
- 92°33° (1952)
- Record low
- 43°6° (1993)
- Heating degree days
- 8
- Cooling degree days
- 328
Galveston in November
Highs average 72°22° and lows 59°15°, with 4.3 in109 mm of precipitation in a typical November.
- Record high
- 86°30° (2024)
- Record low
- 29°−2° (1959)
- Heating degree days
- 88
- Cooling degree days
- 105
Galveston in December
Highs average 66°19° and lows 52°11°, with 4.2 in107 mm of precipitation and 0.1 in0.3 cm of snow in a typical December.
- Record high
- 82°28° (2021)
- Record low
- 21°−6° (2022)
- Heating degree days
- 230
- Cooling degree days
- 31