South Dakota Weather Averages
Select a link for the average weather, by month or year, in cities, towns and parks throughout South Dakota. The links take you to data for normal temperatures, precipitation, snowfall, sunshine and humidity.
Farther down the page you'll find links to in-depth weather information for places in the state.
In-depth Weather Information
- Hot, Humid Weather in South Dakota
- Sioux Falls Snowfall Totals and Snow Accumulation Averages
- Rapid City Temperatures: Averages by Month
How often heat combines with humidity at cities in South Dakota to create uncomfortably muggy weather.
When, how much and how often Sioux Falls, SD has snow — with monthly and yearly averages for total days and inches of snowfall, snow accumulation, heavy snowstorms and first snowfall.
Detailed temperature information for Rapid City, SD with data on average monthly highs and lows plus number of days with hot or cold weather.