Vermillion South Dakota Climate Data

Monthly Average Climate Data for Vermillion South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.7 °F29.8 °F0.55 in.
February13.7 °F34.9 °F0.72 in.
March24.5 °F47.1 °F1.54 in.
April35.7 °F61.0 °F3.06 in.
May48.0 °F72.1 °F3.88 in.
June59.3 °F82.2 °F4.41 in.
July63.2 °F85.9 °F3.53 in.
August60.7 °F83.7 °F3.06 in.
September51.5 °F77.5 °F3.01 in.
October38.4 °F64.4 °F2.51 in.
November25.1 °F47.4 °F1.27 in.
December14.6 °F33.7 °F0.84 in.
Annual37 °F60 °F28.38 in.

Climate Data for Vermillion 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