Irene South Dakota Climate Data

Monthly Average Climate Data for Irene South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.0 °F28.0 °F0.55 in.
February13.1 °F33.0 °F0.73 in.
March23.7 °F45.1 °F1.43 in.
April35.2 °F58.4 °F2.94 in.
May47.5 °F70.0 °F3.93 in.
June58.8 °F80.3 °F4.24 in.
July62.7 °F84.6 °F3.09 in.
August60.3 °F82.2 °F3.19 in.
September51.1 °F75.5 °F2.94 in.
October37.6 °F61.6 °F2.41 in.
November24.3 °F45.4 °F1.18 in.
December13.6 °F31.9 °F0.81 in.
Annual36.4 °F58 °F27.44 in.

Climate Data for Irene South Dakota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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