South Houston Texas Climate Data

Monthly Average Climate Data for South Houston Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.9 °F62.9 °F4.25 in.
February48.5 °F66.4 °F3.18 in.
March55.0 °F72.0 °F3.66 in.
April61.3 °F78.2 °F4.19 in.
May68.8 °F84.7 °F5.23 in.
June74.7 °F90.3 °F6.01 in.
July76.3 °F92.2 °F4.6 in.
August76.2 °F93.0 °F5.59 in.
September72.1 °F88.8 °F5.75 in.
October62.9 °F81.6 °F5.33 in.
November53.1 °F71.8 °F4.66 in.
December46.8 °F64.8 °F4.37 in.
Annual61.7 °F78.9 °F56.82 in.

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 : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate