Bozeman Montana Climate Data

Monthly Average Climate Data for Bozeman Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.7 °F34.8 °F0.81 in.
February16.4 °F37.5 °F0.79 in.
March23.0 °F46.4 °F1.25 in.
April29.8 °F54.5 °F2.24 in.
May37.7 °F63.6 °F2.72 in.
June44.4 °F72.2 °F3.02 in.
July50.2 °F83.1 °F1.3 in.
August48.4 °F82.7 °F1.23 in.
September41.4 °F72.3 °F1.36 in.
October31.8 °F57.8 °F1.7 in.
November22.1 °F43.3 °F1.13 in.
December14.4 °F34.3 °F0.95 in.
Annual31.2 °F56.9 °F18.5 in.

Climate Data for Bozeman Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°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