Armour South Dakota Climate Data

Monthly Average Climate Data for Armour South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.9 °F30.2 °F0.63 in.
February14.0 °F35.5 °F0.77 in.
March23.8 °F47.2 °F1.3 in.
April34.9 °F59.6 °F3.0 in.
May47.0 °F71.3 °F3.75 in.
June57.9 °F81.4 °F3.86 in.
July62.9 °F87.6 °F3.1 in.
August60.6 °F85.5 °F3.0 in.
September51.0 °F77.8 °F2.77 in.
October37.6 °F62.6 °F2.17 in.
November24.5 °F46.9 °F0.93 in.
December14.3 °F33.6 °F0.73 in.
Annual36.5 °F59.9 °F26.01 in.

Climate Data for Armour 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 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation