Fort Peck Montana Climate Data

Monthly Average Climate Data for Fort Peck Montana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-15.3 °C-3.1 °C9.91 mm
February-13 °C-0.1 °C9.4 mm
March-6.7 °C6.8 °C12.45 mm
April-0.5 °C14.7 °C25.15 mm
May5.4 °C20.6 °C59.69 mm
June10.8 °C25.6 °C65.28 mm
July13.8 °C30.6 °C47.5 mm
August12.8 °C30.4 °C34.8 mm
September7.1 °C24.2 °C28.96 mm
October0.3 °C15.1 °C24.89 mm
November-6.9 °C6 °C11.68 mm
December-13 °C-1.2 °C11.43 mm
Annual-0.4 °C14.1 °C341.14 mm

Climate Data for Fort Peck Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -34.4°C to -31.7°C
Plant Hardiness Zone - 2012Zone 4a : -34.4°C to -31.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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