Monarch Montana Climate Data

Monthly Average Climate Data for Monarch Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.4 °F35.9 °F1.1 in.
February13.9 °F37.3 °F0.84 in.
March19.8 °F44.9 °F1.21 in.
April27.0 °F53.4 °F2.48 in.
May34.6 °F62.5 °F3.09 in.
June42.3 °F70.4 °F3.56 in.
July47.0 °F81.6 °F1.92 in.
August45.5 °F81.3 °F1.81 in.
September38.6 °F70.7 °F1.84 in.
October30.1 °F56.4 °F1.64 in.
November20.8 °F43.4 °F1.0 in.
December13.9 °F35.7 °F0.98 in.
Annual28.9 °F56.1 °F21.47 in.

Climate Data for Monarch 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 4a : -30°F to -25°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year