South Houston Texas Climate Data

Monthly Average Climate Data for South Houston Texas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7.2 °C17.2 °C107.95 mm
February9.2 °C19.1 °C80.77 mm
March12.8 °C22.2 °C92.96 mm
April16.3 °C25.7 °C106.43 mm
May20.4 °C29.3 °C132.84 mm
June23.7 °C32.4 °C152.65 mm
July24.6 °C33.4 °C116.84 mm
August24.6 °C33.9 °C141.99 mm
September22.3 °C31.6 °C146.05 mm
October17.2 °C27.6 °C135.38 mm
November11.7 °C22.1 °C118.36 mm
December8.2 °C18.2 °C111 mm
Annual16.5 °C26.1 °C1443.22 mm

Climate Data for South Houston Texas

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com