Allen South Dakota Climate Data

Monthly Average Climate Data for Allen South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.2 °F35.6 °F0.39 in.
February15.2 °F38.5 °F0.56 in.
March23.4 °F49.4 °F1.11 in.
April31.8 °F58.4 °F2.29 in.
May42.2 °F68.2 °F3.42 in.
June52.8 °F79.3 °F3.51 in.
July59.0 °F87.3 °F2.51 in.
August57.0 °F86.2 °F2.01 in.
September47.2 °F77.5 °F1.47 in.
October34.2 °F61.9 °F1.63 in.
November22.8 °F47.9 °F0.64 in.
December14.6 °F36.8 °F0.53 in.
Annual34.5 °F60.6 °F20.07 in.

Climate Data for Allen South Dakota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation