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South Dakota Weather History

South Dakota weather history reports an annual average temperature of 45.5 °F with an average high temperature of 57.7 °F and an average low temperature of 32.9 °F.

The average weather in South Dakota indicates a relative humidity in the morning of 79.3%, and 62.8% in the afternoon and evening. The annual precipitation average is 20.41 inches. The yearly cloudiness breakdown for South Dakota indicates 105 days of clear skies, 106 days of partly cloudy skies, and 153 annual cloudy days.
Temperature and Humidity
South Dakota Average Temperatures
South Dakota Relative Humidity
MeasurementPer Year
Humidity (AM)79.3%
Humidity (PM)62.8%
Low Temperature Yearly Average32.9 °F
High Temperature Yearly Average57.7 °F
Days under 32ºF171 Days
Days above 90ºF25 Days
Precipitation Inches Per Year20.41"
Precipitation Days85 Days
Clear Days105 Days
Partly Cloudy Days106 Days
Cloudy Days153 Days

Weather History by State:

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