Columbia Falls Montana Climate Data

Monthly Average Climate Data for Columbia Falls Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.8 °F31.3 °F1.79 in.
February17.7 °F35.7 °F1.29 in.
March23.8 °F44.3 °F1.42 in.
April30.2 °F53.9 °F1.82 in.
May37.9 °F64.4 °F2.27 in.
June44.3 °F70.6 °F3.46 in.
July48.1 °F81.4 °F1.31 in.
August46.2 °F81.4 °F0.97 in.
September38.9 °F70.2 °F1.36 in.
October30.4 °F54.5 °F1.86 in.
November24.4 °F39.7 °F1.73 in.
December18.3 °F31.1 °F2.03 in.
Annual31.4 °F54.9 °F21.31 in.

Climate Data for Columbia Falls Montana

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