Polson Montana Climate Data

Monthly Average Climate Data for Polson Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.8 °F33.7 °F1.2 in.
February21.3 °F37.6 °F0.72 in.
March26.8 °F47.1 °F1.17 in.
April33.1 °F56.2 °F1.63 in.
May40.1 °F65.7 °F1.94 in.
June46.7 °F72.2 °F2.4 in.
July51.7 °F83.4 °F0.95 in.
August50.4 °F83.3 °F0.72 in.
September43.2 °F72.2 °F1.24 in.
October34.1 °F56.3 °F1.65 in.
November26.9 °F41.9 °F1.3 in.
December21.3 °F33.7 °F1.33 in.
Annual34.7 °F56.9 °F16.25 in.

Climate Data for Polson Montana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness ZoneZone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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