Corwin Springs Montana Climate Data

Monthly Average Climate Data for Corwin Springs Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.1 °F33.6 °F0.59 in.
February15.5 °F37.1 °F0.54 in.
March23.3 °F46.7 °F0.74 in.
April30.2 °F55.7 °F0.94 in.
May37.9 °F65.4 °F1.61 in.
June44.5 °F75.2 °F1.71 in.
July50.2 °F85.6 °F1.09 in.
August48.7 °F84.8 °F0.8 in.
September41.6 °F74.6 °F0.97 in.
October32.6 °F58.8 °F1.07 in.
November22.7 °F42.5 °F0.95 in.
December15.0 °F32.5 °F0.69 in.
Annual31.4 °F57.7 °F11.7 in.

Climate Data for Corwin Springs Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year