Fairfield Montana Climate Data

Monthly Average Climate Data for Fairfield Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.4 °F36.0 °F0.33 in.
February15.7 °F37.3 °F0.35 in.
March22.2 °F44.9 °F0.61 in.
April29.9 °F53.7 °F1.46 in.
May38.4 °F62.8 °F2.05 in.
June45.7 °F70.6 °F2.58 in.
July51.2 °F81.2 °F1.09 in.
August49.8 °F80.5 °F1.09 in.
September42.3 °F70.2 °F1.23 in.
October33.0 °F56.7 °F0.71 in.
November24.0 °F43.7 °F0.46 in.
December16.6 °F36.2 °F0.36 in.
Annual32 °F56.2 °F12.32 in.

Climate Data for Fairfield Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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