Tolstoy South Dakota Climate Data

Monthly Average Climate Data for Tolstoy South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.5 °F23.3 °F0.41 in.
February8.5 °F27.9 °F0.57 in.
March19.2 °F40.5 °F0.83 in.
April31.0 °F55.3 °F1.75 in.
May43.4 °F67.6 °F3.04 in.
June54.3 °F77.6 °F3.55 in.
July59.2 °F83.8 °F2.97 in.
August57.3 °F82.8 °F2.33 in.
September47.7 °F73.9 °F1.99 in.
October34.5 °F58.0 °F1.68 in.
November21.2 °F41.5 °F0.59 in.
December10.2 °F28.0 °F0.5 in.
Annual32.6 °F55 °F20.21 in.

Climate Data for Tolstoy 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 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDwa - Humid Continental Hot Summers With Dry Winters