Toston Montana Climate Data

Monthly Average Climate Data for Toston Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F34.4 °F0.37 in.
February16.3 °F38.9 °F0.26 in.
March22.3 °F49.0 °F0.71 in.
April29.7 °F58.4 °F1.13 in.
May38.1 °F67.1 °F1.9 in.
June44.7 °F75.1 °F2.61 in.
July49.4 °F85.2 °F1.18 in.
August46.5 °F84.2 °F1.11 in.
September39.6 °F74.2 °F0.93 in.
October30.3 °F60.1 °F0.82 in.
November20.9 °F44.8 °F0.55 in.
December13.4 °F34.7 °F0.46 in.
Annual30.3 °F58.8 °F12.03 in.

Climate Data for Toston 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 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate