Snoqualmie Washington Climate Data

Monthly Average Climate Data for Snoqualmie Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.6 °C7.8 °C220.22 mm
February1.6 °C9.3 °C145.54 mm
March2.7 °C11.7 °C169.93 mm
April4.6 °C14.4 °C133.86 mm
May7.8 °C18.2 °C96.77 mm
June10.1 °C20.3 °C78.74 mm
July12.2 °C24.3 °C33.02 mm
August12.2 °C24.9 °C34.04 mm
September9.9 °C21.6 °C73.66 mm
October6.4 °C15.5 °C153.16 mm
November3.5 °C10.4 °C243.33 mm
December1.3 °C7.1 °C215.65 mm
Annual6.2 °C15.5 °C1597.92 mm

Climate Data for Snoqualmie Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost50-75 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