Boyd Montana Climate Data

Monthly Average Climate Data for Boyd Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.9 °F37.0 °F0.55 in.
February15.4 °F39.7 °F0.58 in.
March23.0 °F49.7 °F0.85 in.
April30.3 °F56.9 °F1.9 in.
May39.3 °F66.0 °F2.97 in.
June47.1 °F75.7 °F2.2 in.
July53.0 °F85.7 °F1.03 in.
August51.0 °F84.7 °F0.91 in.
September42.5 °F74.2 °F1.32 in.
October31.9 °F59.3 °F1.53 in.
November22.4 °F46.5 °F0.71 in.
December14.6 °F36.9 °F0.58 in.
Annual32 °F59.4 °F15.13 in.

Climate Data for Boyd Montana

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 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