Lake Stevens Washington Climate Data

Monthly Average Climate Data for Lake Stevens Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.3 °C7.8 °C165.86 mm
February1.3 °C9.4 °C111.76 mm
March2.7 °C11.7 °C129.79 mm
April4.8 °C14.3 °C103.63 mm
May7.8 °C17.9 °C73.15 mm
June10.2 °C20.2 °C72.14 mm
July12.1 °C23.4 °C29.46 mm
August12.1 °C23.9 °C28.19 mm
September9.7 °C21.1 °C64.77 mm
October6.2 °C15.2 °C124.71 mm
November3.2 °C10.3 °C172.72 mm
December1.2 °C7.3 °C154.69 mm
Annual6.1 °C15.2 °C1230.87 mm

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 : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate