Frankfort South Dakota Climate Data

Monthly Average Climate Data for Frankfort South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January3.2 °F22.9 °F0.5 in.
February7.6 °F28.3 °F0.65 in.
March19.7 °F41.1 °F0.95 in.
April31.9 °F56.2 °F2.19 in.
May44.9 °F68.8 °F3.19 in.
June55.9 °F78.7 °F3.85 in.
July60.7 °F84.2 °F3.37 in.
August57.8 °F82.5 °F2.51 in.
September48.1 °F74.4 °F2.31 in.
October34.5 °F59.1 °F2.1 in.
November20.8 °F42.4 °F0.72 in.
December9.2 °F28.2 °F0.6 in.
Annual32.9 °F55.6 °F22.94 in.

Climate Data for Frankfort 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 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation