Rollins Montana Climate Data

Monthly Average Climate Data for Rollins Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.5 °F33.1 °F1.21 in.
February20.2 °F36.8 °F0.99 in.
March25.8 °F45.9 °F1.07 in.
April31.9 °F55.2 °F1.62 in.
May39.5 °F65.0 °F1.55 in.
June45.9 °F71.4 °F2.62 in.
July50.6 °F82.5 °F1.17 in.
August49.1 °F82.4 °F1.0 in.
September41.8 °F71.3 °F1.17 in.
October33.0 °F55.8 °F1.53 in.
November26.2 °F41.3 °F1.09 in.
December20.4 °F33.0 °F1.25 in.
Annual33.7 °F56.1 °F16.27 in.

Climate Data for Rollins Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°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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