Ethan South Dakota Climate Data

Monthly Average Climate Data for Ethan South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.2 °F27.5 °F0.51 in.
February12.4 °F33.0 °F0.77 in.
March22.9 °F44.7 °F1.17 in.
April34.7 °F58.6 °F2.93 in.
May47.2 °F70.4 °F3.61 in.
June58.4 °F80.7 °F3.8 in.
July62.6 °F86.0 °F3.06 in.
August60.2 °F83.8 °F2.94 in.
September50.9 °F76.5 °F2.75 in.
October37.2 °F61.7 °F2.12 in.
November23.8 °F45.3 °F0.93 in.
December13.0 °F31.7 °F0.7 in.
Annual36 °F58.3 °F25.29 in.

Climate Data for Ethan 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 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation