Hanna Wyoming Climate Data

Monthly Average Climate Data for Hanna Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.8 °C0.6 °C17.02 mm
February-10.2 °C1.7 °C17.02 mm
March-6.1 °C6.8 °C22.61 mm
April-2.9 °C11.4 °C36.58 mm
May1.6 °C17.3 °C48.26 mm
June6.1 °C24 °C27.94 mm
July9.7 °C28.5 °C24.13 mm
August8.6 °C27.3 °C23.88 mm
September3.9 °C22.2 °C25.4 mm
October-1.7 °C14.1 °C34.04 mm
November-6.5 °C6.2 °C23.62 mm
December-10.9 °C0.6 °C20.57 mm
Annual-1.6 °C13.4 °C321.07 mm

Climate Data for Hanna 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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