Summit South Dakota Climate Data

Monthly Average Climate Data for Summit South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January1.9 °F19.6 °F0.66 in.
February5.9 °F24.8 °F0.66 in.
March17.7 °F37.5 °F1.11 in.
April30.3 °F53.5 °F2.25 in.
May42.9 °F66.7 °F3.1 in.
June53.7 °F76.1 °F3.94 in.
July58.1 °F81.2 °F4.13 in.
August56.4 °F79.8 °F2.84 in.
September48.0 °F72.2 °F2.77 in.
October34.8 °F57.1 °F2.51 in.
November20.9 °F39.3 °F0.89 in.
December8.8 °F25.1 °F0.68 in.
Annual31.6 °F52.7 °F25.54 in.

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 : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year