Fort Peck Montana Climate Data

Monthly Average Climate Data for Fort Peck Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.5 °F26.4 °F0.39 in.
February8.6 °F31.8 °F0.37 in.
March20.0 °F44.3 °F0.49 in.
April31.1 °F58.5 °F0.99 in.
May41.8 °F69.1 °F2.35 in.
June51.4 °F78.0 °F2.57 in.
July56.9 °F87.0 °F1.87 in.
August55.0 °F86.8 °F1.37 in.
September44.8 °F75.5 °F1.14 in.
October32.6 °F59.1 °F0.98 in.
November19.5 °F42.8 °F0.46 in.
December8.6 °F29.9 °F0.45 in.
Annual31.2 °F57.4 °F13.43 in.

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 : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate