Lewisville Washington Climate Data

Monthly Average Climate Data for Lewisville Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.6 °F45.6 °F7.6 in.
February33.7 °F49.7 °F5.54 in.
March36.3 °F54.4 °F6.0 in.
April39.6 °F59.6 °F4.73 in.
May45.1 °F66.7 °F3.52 in.
June49.2 °F71.1 °F2.45 in.
July53.0 °F78.5 °F0.67 in.
August52.9 °F79.8 °F0.82 in.
September48.5 °F74.4 °F2.31 in.
October42.4 °F62.8 °F5.11 in.
November37.3 °F51.6 °F7.92 in.
December33.4 °F44.9 °F8.4 in.
Annual42.1 °F61.6 °F55.07 in.

Climate Data for Lewisville Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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