Lyman Wyoming Climate Data

Monthly Average Climate Data for Lyman Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.2 °F32.1 °F0.52 in.
February11.7 °F34.1 °F0.54 in.
March20.4 °F44.2 °F0.68 in.
April26.8 °F53.9 °F1.06 in.
May34.8 °F63.8 °F1.4 in.
June42.2 °F74.8 °F0.94 in.
July49.3 °F83.3 °F0.88 in.
August47.7 °F81.7 °F0.8 in.
September39.2 °F72.3 °F1.18 in.
October29.4 °F58.6 °F1.02 in.
November19.1 °F43.0 °F0.77 in.
December10.7 °F32.3 °F0.59 in.
Annual28.5 °F56.2 °F10.38 in.

Climate Data for Lyman Wyoming

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate