Alder Montana Climate Data

Monthly Average Climate Data for Alder Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.9 °F34.9 °F0.43 in.
February15.8 °F37.8 °F0.46 in.
March22.7 °F46.6 °F0.49 in.
April28.8 °F54.2 °F1.06 in.
May36.4 °F63.1 °F1.52 in.
June43.1 °F71.2 °F2.08 in.
July48.7 °F81.6 °F1.29 in.
August47.2 °F80.6 °F0.95 in.
September40.1 °F70.8 °F0.87 in.
October30.7 °F57.7 °F0.91 in.
November21.5 °F43.4 °F0.53 in.
December13.9 °F33.8 °F0.56 in.
Annual30.3 °F56.3 °F11.15 in.

Climate Data for Alder Montana

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year