Lynden Washington Climate Data

Monthly Average Climate Data for Lynden Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January0.8 °C6.9 °C151.89 mm
February1.2 °C8.7 °C92.46 mm
March2.6 °C11.2 °C122.68 mm
April4.7 °C14.4 °C92.2 mm
May7.6 °C18.2 °C73.91 mm
June10.2 °C20.6 °C50.29 mm
July11.7 °C23.9 °C34.8 mm
August11.5 °C24.3 °C31.24 mm
September9 °C21.2 °C57.91 mm
October6 °C15.2 °C134.11 mm
November3.1 °C9.9 °C166.12 mm
December0.8 °C6.6 °C144.02 mm
Annual5.8 °C15.1 °C1151.63 mm

Climate Data for Lynden 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 8a : -12.2°C to -9.4°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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