Kalispell Montana Climate Data

Monthly Average Climate Data for Kalispell Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.0 °F31.8 °F1.21 in.
February18.9 °F35.9 °F0.85 in.
March24.9 °F44.8 °F1.04 in.
April31.3 °F55.1 °F1.27 in.
May39.1 °F65.2 °F1.77 in.
June45.3 °F71.3 °F2.51 in.
July49.4 °F82.3 °F1.14 in.
August47.6 °F82.2 °F0.93 in.
September40.4 °F71.1 °F1.19 in.
October31.6 °F55.4 °F1.33 in.
November25.4 °F40.5 °F1.24 in.
December19.1 °F31.6 °F1.18 in.
Annual32.6 °F55.6 °F15.66 in.

Climate Data for Kalispell 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 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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