Manhattan Montana Climate Data

Monthly Average Climate Data for Manhattan Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.5 °F34.0 °F0.47 in.
February15.2 °F37.5 °F0.52 in.
March22.2 °F47.4 °F0.76 in.
April29.4 °F55.9 °F1.27 in.
May38.0 °F65.5 °F2.17 in.
June44.9 °F74.3 °F2.55 in.
July50.1 °F85.4 °F1.19 in.
August47.4 °F84.6 °F0.9 in.
September40.0 °F73.7 °F1.08 in.
October30.2 °F58.7 °F0.98 in.
November20.1 °F43.9 °F0.67 in.
December12.6 °F33.8 °F0.48 in.
Annual30.2 °F57.9 °F13.04 in.

Climate Data for Manhattan Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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