Butte Montana Climate Data

Monthly Average Climate Data for Butte Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.4 °F31.7 °F0.44 in.
February10.3 °F34.6 °F0.44 in.
March18.6 °F43.1 °F0.69 in.
April25.5 °F50.7 °F1.29 in.
May33.3 °F60.1 °F1.86 in.
June40.0 °F69.0 °F2.4 in.
July45.1 °F80.5 °F0.95 in.
August43.1 °F79.5 °F0.87 in.
September35.9 °F68.9 °F1.02 in.
October26.6 °F54.5 °F0.92 in.
November16.3 °F40.3 °F0.55 in.
December8.1 °F30.8 °F0.51 in.
Annual25.9 °F53.6 °F11.94 in.

Climate Data for Butte Montana

Average First Frost DateAug. 21 - Aug. 31
Average Last Frost DateJul. 1 - Jul. 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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com