Hysham Montana Climate Data

Monthly Average Climate Data for Hysham Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.6 °F34.0 °F0.5 in.
February14.4 °F38.2 °F0.54 in.
March23.4 °F49.4 °F0.88 in.
April33.0 °F59.8 °F1.66 in.
May42.6 °F68.9 °F2.22 in.
June51.8 °F78.3 °F2.34 in.
July57.8 °F87.5 °F1.62 in.
August55.3 °F86.5 °F1.12 in.
September45.6 °F75.8 °F1.36 in.
October33.9 °F60.7 °F1.41 in.
November22.7 °F46.8 °F0.6 in.
December13.7 °F35.9 °F0.52 in.
Annual33.8 °F60.2 °F14.77 in.

Climate Data for Hysham 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 ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
2024 plantmaps.com