Arlee Montana Climate Data

Monthly Average Climate Data for Arlee Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.9 °F34.4 °F1.08 in.
February20.6 °F38.1 °F0.93 in.
March26.5 °F48.1 °F1.05 in.
April32.5 °F56.2 °F1.61 in.
May39.4 °F65.9 °F2.16 in.
June46.0 °F72.7 °F2.75 in.
July50.9 °F84.1 °F0.98 in.
August49.6 °F83.9 °F0.86 in.
September42.5 °F72.6 °F1.21 in.
October33.5 °F56.8 °F1.43 in.
November25.8 °F41.9 °F1.26 in.
December19.9 °F33.5 °F1.18 in.
Annual33.9 °F57.4 °F16.5 in.

Climate Data for Arlee Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 21 - May 31
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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