Belle Fourche South Dakota Climate Data

Monthly Average Climate Data for Belle Fourche South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.2 °F35.2 °F0.44 in.
February14.6 °F37.6 °F0.62 in.
March23.0 °F48.0 °F1.09 in.
April31.6 °F57.4 °F2.0 in.
May42.1 °F66.7 °F3.18 in.
June51.9 °F77.9 °F3.0 in.
July58.2 °F86.6 °F1.98 in.
August56.2 °F86.1 °F1.46 in.
September46.1 °F76.3 °F1.35 in.
October33.6 °F61.1 °F1.69 in.
November22.5 °F46.9 °F0.57 in.
December13.8 °F36.9 °F0.64 in.
Annual33.8 °F59.7 °F18.02 in.

Climate Data for Belle Fourche South Dakota

Average First Frost DateSep. 21 - Sep. 30
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 ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate