Billings Montana Climate Data

Monthly Average Climate Data for Billings Montana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.5 °F37.8 °F0.52 in.
February16.9 °F41.7 °F0.52 in.
March24.8 °F51.9 °F0.96 in.
April33.4 °F59.9 °F1.86 in.
May42.4 °F69.2 °F2.36 in.
June50.9 °F79.1 °F2.35 in.
July56.8 °F88.9 °F1.31 in.
August54.4 °F87.7 °F0.84 in.
September45.4 °F77.0 °F1.49 in.
October34.1 °F62.1 °F1.51 in.
November23.8 °F48.6 °F0.59 in.
December16.0 °F38.5 °F0.58 in.
Annual34.5 °F61.9 °F14.89 in.

Climate Data for Billings Montana

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year