Jeffrey City Wyoming Climate Data

Monthly Average Climate Data for Jeffrey City Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.4 °F31.9 °F0.35 in.
February12.5 °F34.3 °F0.51 in.
March21.1 °F44.7 °F0.77 in.
April27.2 °F53.7 °F1.4 in.
May35.9 °F63.8 °F1.9 in.
June44.3 °F76.4 °F0.94 in.
July51.3 °F85.4 °F0.66 in.
August49.9 °F83.3 °F0.53 in.
September40.6 °F72.8 °F0.82 in.
October29.8 °F58.0 °F0.94 in.
November20.2 °F42.6 °F0.48 in.
December11.9 °F32.0 °F0.44 in.
Annual29.7 °F56.6 °F9.74 in.

Climate Data for Jeffrey City 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 ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate