DuPont Washington Climate Data

Monthly Average Climate Data for DuPont Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.5 °C8.2 °C174.24 mm
February1.3 °C9.8 °C114.81 mm
March2.5 °C12.1 °C133.1 mm
April4.2 °C14.8 °C92.2 mm
May7.2 °C18.7 °C55.37 mm
June9.8 °C21.1 °C44.2 mm
July11.7 °C24.8 °C17.78 mm
August11.8 °C25.2 °C23.88 mm
September9.4 °C22.1 °C39.37 mm
October6.1 °C15.8 °C124.21 mm
November3.1 °C10.7 °C189.23 mm
December1.2 °C7.7 °C180.09 mm
Annual5.8 °C15.9 °C1188.48 mm

Climate Data for DuPont Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
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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