McAllister Montana Climate Data

Monthly Average Climate Data for McAllister Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.8 °F35.4 °F0.46 in.
February16.3 °F38.2 °F0.51 in.
March22.9 °F46.9 °F0.88 in.
April29.0 °F54.8 °F1.63 in.
May36.5 °F64.1 °F2.17 in.
June43.0 °F73.0 °F2.45 in.
July48.4 °F83.9 °F1.2 in.
August46.7 °F83.1 °F1.0 in.
September39.8 °F73.0 °F1.07 in.
October30.9 °F58.5 °F1.28 in.
November22.3 °F43.8 °F0.71 in.
December14.9 °F34.7 °F0.52 in.
Annual30.5 °F57.5 °F13.88 in.

Climate Data for McAllister Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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