Fromberg Montana Climate Data

Monthly Average Climate Data for Fromberg Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.7 °F37.0 °F0.32 in.
February15.5 °F40.3 °F0.48 in.
March23.4 °F51.2 °F0.62 in.
April31.1 °F58.8 °F1.71 in.
May40.3 °F68.1 °F2.48 in.
June48.2 °F77.7 °F1.93 in.
July54.0 °F88.0 °F0.92 in.
August51.5 °F86.6 °F0.79 in.
September43.1 °F75.9 °F1.22 in.
October32.2 °F60.7 °F1.35 in.
November22.6 °F47.2 °F0.59 in.
December14.3 °F37.1 °F0.53 in.
Annual32.5 °F60.7 °F12.94 in.

Climate Data for Fromberg Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year