Summer, Spring, Winter and Fall – you will find all four seasons in South Dakota. Our summers are warm with little humidity; our winters are generally snowy and cold.
South Dakota’s coldest month is January when the average temperature overnight is 5.63°F. In July, the warmest month, the average day time temperature rises to 86.25°F. Generally, the northeastern part of the state is coolest.
Across South Dakota, you will find varying amounts of annual precipitation. Western South Dakota generally has the least amount, while the east is the wettest portion of the state. Generally, the driest month is December, with a statewide average of 0.45 inches, and the wettest month is June, with 3.33 inches. The eastern part of the state tends to be the wettest.
These helpful online tools will help you pinpoint climate information at your exact location in South Dakota.