Steptoe Washington Climate Data

Monthly Average Climate Data for Steptoe Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.4 °C3.1 °C68.33 mm
February-2.8 °C5.4 °C49.53 mm
March-0.7 °C9.7 °C56.9 mm
April1.7 °C13.9 °C46.74 mm
May5.2 °C19.1 °C47.24 mm
June7.9 °C22.4 °C34.8 mm
July10.1 °C28.8 °C12.95 mm
August9.9 °C29.3 °C12.19 mm
September6.3 °C23.9 °C16 mm
October2.2 °C15.7 °C42.42 mm
November-0.9 °C7.3 °C65.53 mm
December-3.8 °C2.4 °C74.17 mm
Annual2.6 °C15.1 °C526.8 mm

Climate Data for Steptoe Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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