Summit South Dakota Climate Data

Monthly Average Climate Data for Summit South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-16.7 °C-6.9 °C16.76 mm
February-14.5 °C-4 °C16.76 mm
March-7.9 °C3.1 °C28.19 mm
April-0.9 °C11.9 °C57.15 mm
May6.1 °C19.3 °C78.74 mm
June12.1 °C24.5 °C100.08 mm
July14.5 °C27.3 °C104.9 mm
August13.6 °C26.6 °C72.14 mm
September8.9 °C22.3 °C70.36 mm
October1.6 °C13.9 °C63.75 mm
November-6.2 °C4.1 °C22.61 mm
December-12.9 °C-3.8 °C17.27 mm
Annual-0.2 °C11.5 °C648.71 mm

Climate Data for Summit 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 4a : -34.4°C to -31.7°C
Plant Hardiness Zone - 2012Zone 4a : -34.4°C to -31.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year