Galveston Texas Climate Data

Monthly Average Climate Data for Galveston Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January48.7 °F61.1 °F4.52 in.
February52.0 °F63.4 °F3.08 in.
March58.3 °F68.6 °F3.33 in.
April65.0 °F74.2 °F3.89 in.
May72.5 °F80.5 °F3.36 in.
June78.0 °F85.9 °F4.37 in.
July80.0 °F87.9 °F3.96 in.
August79.6 °F88.5 °F5.38 in.
September76.2 °F85.6 °F6.48 in.
October69.0 °F78.9 °F4.83 in.
November58.7 °F70.2 °F4.41 in.
December50.8 °F63.2 °F4.21 in.
Annual65.7 °F75.7 °F51.82 in.

Climate Data for Galveston Texas

Average First Frost DateJan. 11 - Jan. 20
Average Last Frost DateFeb. 1 - Feb. 10
Average Days With FrostFrost Rare
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate