Cascade Montana Climate Data

Monthly Average Climate Data for Cascade Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.1 °F37.8 °F0.52 in.
February17.8 °F39.9 °F0.52 in.
March24.0 °F48.2 °F0.74 in.
April31.8 °F57.1 °F1.96 in.
May39.8 °F66.0 °F2.62 in.
June47.2 °F74.0 °F2.95 in.
July52.0 °F85.3 °F1.14 in.
August50.2 °F84.5 °F1.28 in.
September43.3 °F74.1 °F1.57 in.
October35.2 °F60.0 °F1.19 in.
November26.1 °F46.1 °F0.67 in.
December18.2 °F37.7 °F0.58 in.
Annual33.6 °F59.2 °F15.74 in.

Climate Data for Cascade Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate