Gallatin Gateway Montana Climate Data

Monthly Average Climate Data for Gallatin Gateway Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.3 °F34.8 °F0.69 in.
February16.2 °F37.4 °F0.69 in.
March23.0 °F46.1 °F1.16 in.
April29.3 °F54.0 °F2.23 in.
May37.2 °F63.0 °F2.69 in.
June43.8 °F71.6 °F2.99 in.
July49.7 °F82.6 °F1.33 in.
August48.1 °F82.2 °F1.2 in.
September41.3 °F71.9 °F1.36 in.
October31.9 °F57.2 °F1.63 in.
November22.4 °F43.1 °F0.99 in.
December14.9 °F34.3 °F0.85 in.
Annual31.1 °F56.5 °F17.81 in.

Climate Data for Gallatin Gateway Montana

Average First Frost DateSep.11 - Sep. 20
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