Lewisville Texas Climate Data

Monthly Average Climate Data for Lewisville Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.2 °F55.9 °F2.5 in.
February38.9 °F60.5 °F2.74 in.
March46.8 °F67.7 °F3.45 in.
April54.5 °F75.9 °F3.49 in.
May64.2 °F83.3 °F4.67 in.
June72.4 °F91.3 °F3.77 in.
July75.8 °F96.0 °F2.27 in.
August75.4 °F95.9 °F2.26 in.
September68.1 °F89.0 °F2.9 in.
October56.6 °F79.1 °F4.43 in.
November45.8 °F66.7 °F2.92 in.
December37.4 °F58.2 °F3.1 in.
Annual55.9 °F76.6 °F38.5 in.

Climate Data for Lewisville Texas

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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