Ennis Montana Climate Data

Monthly Average Climate Data for Ennis Montana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.9 °C1.8 °C11.68 mm
February-8.8 °C3.2 °C13.21 mm
March-5.1 °C8.1 °C21.34 mm
April-1.8 °C12.5 °C37.85 mm
May2.4 °C17.7 °C51.31 mm
June5.9 °C22.7 °C58.93 mm
July8.9 °C28.8 °C31.24 mm
August8 °C28.3 °C25.4 mm
September4.2 °C22.6 °C25.65 mm
October-0.7 °C14.6 °C30.73 mm
November-5.3 °C6.5 °C17.27 mm
December-9.4 °C1.4 °C13.72 mm
Annual-0.9 °C14 °C338.33 mm

Climate Data for Ennis Montana

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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