Maple Valley Washington Climate Data

Monthly Average Climate Data for Maple Valley Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.0 °F46.3 °F6.34 in.
February34.9 °F49.0 °F4.71 in.
March37.1 °F53.1 °F5.35 in.
April40.5 °F58.2 °F4.46 in.
May46.0 °F65.6 °F2.89 in.
June50.3 °F69.8 °F2.54 in.
July53.9 °F76.5 °F1.06 in.
August54.1 °F77.0 °F1.38 in.
September50.0 °F70.8 °F2.32 in.
October43.7 °F59.8 °F5.05 in.
November38.3 °F50.9 °F7.08 in.
December34.4 °F45.2 °F6.4 in.
Annual43.2 °F60.2 °F49.58 in.

Climate Data for Maple Valley Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ClassificationCfb - Temperate Oceanic Climate