Dayton Montana Climate Data

Monthly Average Climate Data for Dayton Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.7 °F33.4 °F1.15 in.
February20.4 °F36.9 °F0.94 in.
March25.9 °F46.0 °F1.03 in.
April32.0 °F55.7 °F1.58 in.
May39.6 °F65.1 °F1.56 in.
June46.1 °F71.7 °F2.56 in.
July50.7 °F82.9 °F1.26 in.
August49.4 °F82.9 °F0.83 in.
September42.2 °F72.0 °F1.14 in.
October33.3 °F56.3 °F1.44 in.
November26.4 °F41.7 °F1.18 in.
December20.6 °F33.4 °F1.11 in.
Annual33.9 °F56.5 °F15.78 in.

Climate Data for Dayton Montana

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year