Inverness Montana Climate Data

Monthly Average Climate Data for Inverness Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.3 °F30.6 °F0.36 in.
February10.7 °F33.9 °F0.28 in.
March19.1 °F43.3 °F0.35 in.
April29.1 °F55.3 °F0.81 in.
May38.6 °F65.4 °F1.62 in.
June46.7 °F73.3 °F2.54 in.
July52.2 °F83.1 °F1.19 in.
August50.7 °F82.8 °F1.05 in.
September41.9 °F71.9 °F1.08 in.
October30.4 °F57.1 °F0.68 in.
November19.5 °F41.8 °F0.52 in.
December10.8 °F32.3 °F0.32 in.
Annual29.8 °F55.9 °F10.8 in.

Climate Data for Inverness Montana

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