Hanna Wyoming Climate Data

Monthly Average Climate Data for Hanna Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F33.1 °F0.67 in.
February13.7 °F35.0 °F0.67 in.
March21.1 °F44.3 °F0.89 in.
April26.7 °F52.6 °F1.44 in.
May34.9 °F63.2 °F1.9 in.
June42.9 °F75.2 °F1.1 in.
July49.4 °F83.3 °F0.95 in.
August47.4 °F81.2 °F0.94 in.
September39.0 °F71.9 °F1.0 in.
October29.0 °F57.3 °F1.34 in.
November20.3 °F43.1 °F0.93 in.
December12.4 °F33.0 °F0.81 in.
Annual29.1 °F56.1 °F12.64 in.

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 : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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