Selby South Dakota Climate Data

Monthly Average Climate Data for Selby South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.4 °F23.0 °F0.41 in.
February8.1 °F27.6 °F0.58 in.
March19.0 °F40.0 °F0.76 in.
April30.7 °F54.8 °F1.7 in.
May43.4 °F67.3 °F2.77 in.
June54.2 °F77.3 °F3.32 in.
July59.4 °F83.6 °F2.75 in.
August57.2 °F82.5 °F2.21 in.
September47.6 °F73.4 °F1.62 in.
October34.2 °F57.3 °F1.71 in.
November21.1 °F41.1 °F0.53 in.
December10.1 °F27.8 °F0.51 in.
Annual32.5 °F54.6 °F18.87 in.

Climate Data for Selby South Dakota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate