Ferndale Washington Climate Data

Monthly Average Climate Data for Ferndale Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.4 °C7.3 °C138.43 mm
February1.7 °C8.7 °C86.87 mm
March3.1 °C10.9 °C104.39 mm
April5.1 °C14.3 °C75.95 mm
May7.9 °C17.7 °C60.96 mm
June10.4 °C20.1 °C45.21 mm
July12 °C22.8 °C27.43 mm
August11.9 °C23.1 °C29.46 mm
September9.5 °C20.2 °C48.01 mm
October6.4 °C15.1 °C109.47 mm
November3.6 °C10.1 °C150.88 mm
December1.3 °C7 °C125.98 mm
Annual6.2 °C14.8 °C1003.04 mm

Climate Data for Ferndale 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 : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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