Frenchtown Montana Climate Data

Monthly Average Climate Data for Frenchtown Montana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.9 °C1.4 °C24.13 mm
February-6 °C4.1 °C23.37 mm
March-2.9 °C9.7 °C22.35 mm
April0.2 °C14.2 °C30.99 mm
May4.2 °C19.7 °C45.21 mm
June7.9 °C23.6 °C50.8 mm
July10.5 °C30 °C19.05 mm
August9.7 °C29.7 °C22.35 mm
September5.6 °C23.4 °C25.4 mm
October0.7 °C14.4 °C28.96 mm
November-3.6 °C5.8 °C30.48 mm
December-6.7 °C0.9 °C26.16 mm
Annual1.1 °C14.7 °C349.25 mm

Climate Data for Frenchtown Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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