Lake Stevens Washington Climate Data

Monthly Average Climate Data for Lake Stevens Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.4 °F46.1 °F6.53 in.
February34.4 °F49.0 °F4.4 in.
March36.9 °F53.0 °F5.11 in.
April40.7 °F57.7 °F4.08 in.
May46.1 °F64.3 °F2.88 in.
June50.3 °F68.3 °F2.84 in.
July53.7 °F74.2 °F1.16 in.
August53.8 °F75.1 °F1.11 in.
September49.5 °F69.9 °F2.55 in.
October43.2 °F59.3 °F4.91 in.
November37.7 °F50.5 °F6.8 in.
December34.2 °F45.2 °F6.09 in.
Annual42.9 °F59.4 °F48.46 in.

Climate Data for Lake Stevens Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate