Heart Butte Montana Climate Data

Monthly Average Climate Data for Heart Butte Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.4 °F33.4 °F0.81 in.
February14.9 °F34.6 °F0.94 in.
March20.6 °F41.0 °F1.03 in.
April28.0 °F48.9 °F1.65 in.
May36.0 °F58.6 °F2.4 in.
June42.8 °F66.3 °F3.33 in.
July48.4 °F77.2 °F1.42 in.
August47.1 °F76.7 °F1.26 in.
September40.0 °F66.1 °F1.47 in.
October31.2 °F52.9 °F1.33 in.
November23.6 °F40.9 °F1.1 in.
December16.6 °F33.6 °F0.84 in.
Annual30.3 °F52.5 °F17.58 in.

Climate Data for Heart Butte Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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