Cheyenne Wyoming Climate Data

Monthly Average Climate Data for Cheyenne Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.7 °F39.9 °F0.35 in.
February16.6 °F40.5 °F0.44 in.
March23.3 °F48.8 °F0.94 in.
April29.2 °F54.6 °F1.66 in.
May38.8 °F63.8 °F2.68 in.
June47.9 °F76.1 °F2.35 in.
July54.4 °F83.4 °F2.06 in.
August52.6 °F81.7 °F1.92 in.
September44.0 °F73.4 °F1.54 in.
October32.5 °F59.8 °F1.09 in.
November23.0 °F47.6 °F0.6 in.
December16.6 °F39.4 °F0.41 in.
Annual33 °F59.1 °F16.04 in.

Climate Data for Cheyenne Wyoming

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate