Ashton South Dakota Climate Data

Monthly Average Climate Data for Ashton South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January3.0 °F22.6 °F0.49 in.
February7.4 °F28.1 °F0.68 in.
March19.5 °F40.9 °F0.91 in.
April31.7 °F55.9 °F2.07 in.
May44.8 °F68.7 °F3.31 in.
June55.7 °F78.5 °F3.7 in.
July60.5 °F84.0 °F3.3 in.
August57.6 °F82.4 °F2.47 in.
September47.9 °F74.2 °F2.09 in.
October34.3 °F58.9 °F2.08 in.
November20.7 °F42.1 °F0.66 in.
December9.0 °F27.8 °F0.58 in.
Annual32.7 °F55.3 °F22.34 in.

Climate Data for Ashton 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 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation