Climate and Weather of South Dakota, the United States of America

In the United States of America you have several regions, one of which is called South Dakota. The most popular city in this region is Sioux Falls, whose climate data we'll examine to provide you with an overview of what weather to expect in South Dakota. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In South Dakota, the months of May, June and September bring pleasant weather, with average temperatures ranging between 21°C and 26°C.

South Dakota reaches its peak temperature in July, hitting 29°C, while January brings cooler conditions with daytime highs of -3°C.

The cooler season is during the months of January, February, March, November and December.

When it comes to rainfall, South Dakota sees significant variations throughout the year. June tends to be the wettest, receiving 124 mm of rain, while January is much drier with just 16 mm.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of South Dakota, the United States of America?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.