Mills Wyoming Climate Data

Monthly Average Climate Data for Mills Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.3 °C3.2 °C18.03 mm
February-7.9 °C4.2 °C22.35 mm
March-4 °C9.9 °C34.04 mm
April-0.7 °C13.9 °C50.29 mm
May4.2 °C19.4 °C75.69 mm
June9.2 °C26.4 °C42.42 mm
July13.2 °C31.5 °C28.7 mm
August12 °C30.6 °C23.62 mm
September6.6 °C24.7 °C28.45 mm
October0.6 °C16.1 °C44.7 mm
November-4.5 °C8.6 °C21.59 mm
December-8.2 °C3.2 °C21.08 mm
Annual1 °C16 °C410.96 mm

Climate Data for Mills Wyoming

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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