Snoqualmie Washington Climate Data

Monthly Average Climate Data for Snoqualmie Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.8 °F46.0 °F8.67 in.
February34.8 °F48.8 °F5.73 in.
March36.9 °F53.0 °F6.69 in.
April40.3 °F58.0 °F5.27 in.
May46.0 °F64.7 °F3.81 in.
June50.2 °F68.6 °F3.1 in.
July53.9 °F75.7 °F1.3 in.
August54.0 °F76.9 °F1.34 in.
September49.9 °F70.9 °F2.9 in.
October43.6 °F59.9 °F6.03 in.
November38.3 °F50.7 °F9.58 in.
December34.3 °F44.7 °F8.49 in.
Annual43.1 °F59.8 °F62.91 in.

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 : 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