Big Sky Montana Climate Data

Monthly Average Climate Data for Big Sky Montana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13.3 °C-2.1 °C56.39 mm
February-13.3 °C-0.4 °C49.78 mm
March-9.9 °C3.8 °C52.83 mm
April-6.1 °C8.1 °C62.99 mm
May-1.4 °C13.2 °C93.22 mm
June1.8 °C18.1 °C92.96 mm
July4.9 °C24.1 °C49.02 mm
August4.1 °C23.9 °C49.53 mm
September0.8 °C18.6 °C47.75 mm
October-4.1 °C10.6 °C60.45 mm
November-9.7 °C1.9 °C52.83 mm
December-13.8 °C-2.8 °C64.01 mm
Annual-5 °C9.8 °C731.76 mm

Climate Data for Big Sky Montana

Average First Frost DateAug. 21 - Aug. 31
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com