Morton Washington Climate Data

Monthly Average Climate Data for Morton Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.1 °C6.9 °C261.11 mm
February0.1 °C8.9 °C175.26 mm
March1.2 °C11.3 °C193.8 mm
April2.9 °C14.4 °C148.84 mm
May5.9 °C18.7 °C109.22 mm
June8.4 °C21.7 °C78.49 mm
July10.1 °C25.4 °C22.86 mm
August9.9 °C26.2 °C29.21 mm
September7.4 °C22.9 °C70.36 mm
October4.1 °C16.7 °C165.86 mm
November1.5 °C10 °C267.46 mm
December-0.4 °C6.4 °C259.59 mm
Annual4.3 °C15.8 °C1782.06 mm

Climate Data for Morton Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 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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