Houston Texas Climate Data

Monthly Average Climate Data for Houston Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January45.0 °F62.9 °F4.19 in.
February48.6 °F66.4 °F3.15 in.
March55.0 °F72.1 °F3.88 in.
April61.3 °F78.3 °F4.18 in.
May68.8 °F85.0 °F5.23 in.
June74.7 °F90.8 °F5.8 in.
July76.5 °F92.8 °F4.28 in.
August76.3 °F93.5 °F5.54 in.
September72.0 °F89.0 °F5.44 in.
October63.0 °F81.8 °F5.1 in.
November53.1 °F71.8 °F4.64 in.
December46.9 °F64.7 °F4.3 in.
Annual61.8 °F79.1 °F55.73 in.

Climate Data for Houston Texas

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
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
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