Musselshell Montana Climate Data

Monthly Average Climate Data for Musselshell Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.7 °F35.8 °F0.45 in.
February15.3 °F39.2 °F0.45 in.
March23.5 °F49.5 °F0.74 in.
April32.2 °F59.3 °F1.59 in.
May41.6 °F68.4 °F2.55 in.
June50.3 °F77.9 °F2.85 in.
July56.3 °F88.4 °F1.64 in.
August54.2 °F87.6 °F1.13 in.
September44.7 °F76.5 °F1.16 in.
October33.6 °F61.4 °F1.22 in.
November22.8 °F47.2 °F0.53 in.
December14.2 °F37.0 °F0.5 in.
Annual33.5 °F60.7 °F14.81 in.

Climate Data for Musselshell Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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