Greycliff Montana Climate Data

Monthly Average Climate Data for Greycliff Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.1 °F37.9 °F0.59 in.
February16.7 °F40.4 °F0.6 in.
March23.8 °F49.8 °F0.95 in.
April31.0 °F58.0 °F2.12 in.
May39.6 °F67.3 °F3.09 in.
June47.5 °F76.5 °F2.6 in.
July53.1 °F87.3 °F1.36 in.
August50.9 °F86.1 °F0.98 in.
September42.9 °F75.3 °F1.25 in.
October32.9 °F60.5 °F1.49 in.
November23.6 °F46.9 °F0.69 in.
December16.2 °F37.2 °F0.67 in.
Annual32.9 °F60.3 °F16.39 in.

Climate Data for Greycliff Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year