Brockway Montana Climate Data

Monthly Average Climate Data for Brockway Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.7 °F28.3 °F0.26 in.
February9.8 °F31.8 °F0.22 in.
March20.2 °F44.2 °F0.35 in.
April30.2 °F56.6 °F1.12 in.
May40.3 °F66.9 °F2.43 in.
June49.9 °F76.0 °F2.65 in.
July55.9 °F85.9 °F1.99 in.
August54.2 °F85.7 °F1.22 in.
September44.1 °F74.5 °F1.15 in.
October31.9 °F58.3 °F0.92 in.
November19.9 °F43.2 °F0.27 in.
December9.8 °F31.4 °F0.23 in.
Annual31.1 °F56.9 °F12.81 in.

Climate Data for Brockway 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 3b : -35°F to -30°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate