Dell Montana Climate Data

Monthly Average Climate Data for Dell Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.8 °F29.6 °F0.36 in.
February11.2 °F32.6 °F0.37 in.
March19.0 °F41.8 °F0.48 in.
April26.2 °F51.6 °F1.1 in.
May33.8 °F61.3 °F1.68 in.
June41.0 °F70.5 °F2.06 in.
July46.5 °F81.6 °F1.0 in.
August45.0 °F80.7 °F0.93 in.
September37.6 °F70.3 °F0.75 in.
October27.9 °F55.2 °F0.99 in.
November18.1 °F39.8 °F0.32 in.
December9.5 °F29.0 °F0.4 in.
Annual27.2 °F53.7 °F10.44 in.

Climate Data for Dell Montana

Average First Frost DateAug. 21 - Aug. 31
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 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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