Ideal South Dakota Climate Data

Monthly Average Climate Data for Ideal South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.0 °F31.9 °F0.5 in.
February14.4 °F36.3 °F0.64 in.
March23.4 °F47.6 °F1.06 in.
April33.9 °F59.1 °F2.68 in.
May45.6 °F69.9 °F3.5 in.
June56.5 °F80.4 °F3.86 in.
July62.1 °F88.3 °F2.7 in.
August60.0 °F86.6 °F2.52 in.
September50.7 °F78.3 °F2.15 in.
October37.2 °F63.3 °F1.88 in.
November24.5 °F47.3 °F0.75 in.
December14.8 °F34.9 °F0.59 in.
Annual36.2 °F60.3 °F22.83 in.

Climate Data for Ideal South Dakota

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 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation