Jeffrey City Wyoming Climate Data

Monthly Average Climate Data for Jeffrey City Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.4 °C-0.1 °C8.89 mm
February-10.8 °C1.3 °C12.95 mm
March-6.1 °C7.1 °C19.56 mm
April-2.7 °C12.1 °C35.56 mm
May2.2 °C17.7 °C48.26 mm
June6.8 °C24.7 °C23.88 mm
July10.7 °C29.7 °C16.76 mm
August9.9 °C28.5 °C13.46 mm
September4.8 °C22.7 °C20.83 mm
October-1.2 °C14.4 °C23.88 mm
November-6.6 °C5.9 °C12.19 mm
December-11.2 °C0 °C11.18 mm
Annual-1.3 °C13.7 °C247.4 mm

Climate Data for Jeffrey City Wyoming

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -31.7°C to -28.9°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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