Houston Delaware Climate Data

Monthly Average Climate Data for Houston Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.6 °F43.8 °F3.42 in.
February26.7 °F46.3 °F3.01 in.
March33.6 °F53.9 °F4.26 in.
April43.6 °F65.2 °F3.57 in.
May53.2 °F74.0 °F3.98 in.
June62.5 °F82.8 °F4.06 in.
July67.4 °F87.4 °F4.37 in.
August65.3 °F85.2 °F4.72 in.
September59.2 °F79.5 °F4.45 in.
October48.1 °F68.3 °F4.0 in.
November37.5 °F57.9 °F3.24 in.
December30.0 °F48.4 °F4.02 in.
Annual46.1 °F66.1 °F47.1 in.

Climate Data for Houston Delaware

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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