East Cathlamet Washington Climate Data

Monthly Average Climate Data for East Cathlamet Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.2 °C8.4 °C287.02 mm
February0.8 °C10.2 °C192.02 mm
March1.9 °C12.2 °C207.26 mm
April3.4 °C14.5 °C165.61 mm
May6.2 °C17.8 °C87.63 mm
June8.6 °C19.6 °C61.21 mm
July10.6 °C22.9 °C21.34 mm
August10.6 °C23.4 °C31.5 mm
September8.6 °C22.2 °C77.72 mm
October5.3 °C17 °C179.07 mm
November2.6 °C11.1 °C304.29 mm
December0.9 °C7.9 °C312.93 mm
Annual5.1 °C15.6 °C1927.6 mm

Climate Data for East Cathlamet Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost40-50 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
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