Powder River Wyoming Climate Data

Monthly Average Climate Data for Powder River Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C1.4 °C9.91 mm
February-9.8 °C2.6 °C10.16 mm
March-5.3 °C8.3 °C26.16 mm
April-1.7 °C12.7 °C32 mm
May3.2 °C18.4 °C61.47 mm
June7.9 °C25.3 °C34.04 mm
July12.1 °C30.9 °C23.88 mm
August10.9 °C29.9 °C13.46 mm
September5.8 °C23.7 °C25.65 mm
October-0.2 °C15.2 °C25.15 mm
November-5.9 °C7.4 °C12.7 mm
December-10.1 °C1.6 °C12.95 mm
Annual-0.3 °C14.8 °C287.53 mm

Climate Data for Powder River Wyoming

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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