Carlton Montana Climate Data

Monthly Average Climate Data for Carlton Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.0 °F35.6 °F0.86 in.
February20.8 °F40.3 °F0.95 in.
March26.3 °F50.5 °F0.79 in.
April31.7 °F59.0 °F1.15 in.
May38.8 °F68.5 °F1.71 in.
June45.4 °F75.8 °F1.72 in.
July49.7 °F87.5 °F0.72 in.
August48.1 °F86.3 °F0.78 in.
September41.0 °F75.4 °F0.85 in.
October32.1 °F59.6 °F1.13 in.
November24.5 °F43.4 °F1.16 in.
December19.0 °F34.2 °F1.21 in.
Annual33 °F59.7 °F13.03 in.

Climate Data for Carlton Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year