Miles City Montana Climate Data

Monthly Average Climate Data for Miles City Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.6 °F31.7 °F0.49 in.
February12.3 °F36.4 °F0.48 in.
March22.3 °F48.5 °F0.85 in.
April32.7 °F59.6 °F1.44 in.
May42.8 °F69.5 °F2.68 in.
June52.3 °F79.8 °F2.53 in.
July58.3 °F89.8 °F1.78 in.
August56.0 °F88.4 °F1.01 in.
September45.8 °F77.4 °F1.19 in.
October33.6 °F61.2 °F1.16 in.
November21.2 °F46.1 °F0.55 in.
December11.3 °F34.3 °F0.5 in.
Annual33.1 °F60.2 °F14.66 in.

Climate Data for Miles City Montana

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate