Mills Wyoming Climate Data

Monthly Average Climate Data for Mills Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.0 °F37.7 °F0.71 in.
February17.7 °F39.5 °F0.88 in.
March24.8 °F49.8 °F1.34 in.
April30.8 °F57.1 °F1.98 in.
May39.6 °F67.0 °F2.98 in.
June48.5 °F79.6 °F1.67 in.
July55.8 °F88.7 °F1.13 in.
August53.6 °F87.0 °F0.93 in.
September43.8 °F76.4 °F1.12 in.
October33.0 °F61.0 °F1.76 in.
November23.9 °F47.4 °F0.85 in.
December17.2 °F37.7 °F0.83 in.
Annual33.8 °F60.7 °F16.18 in.

Climate Data for Mills Wyoming

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
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 ClassificationDfb - Humid Continental Mild Summer, Wet All Year