Weather in Sioux Falls.  click here for the current weather conditions

Sioux Falls, South Dakota climate is warm during summer when the average high temperature range is from the low 80's to the mid 90's and cold during winter when low temperature range is from the single digits to teens.

On average, the warmest month of the year is July with an average maximum temperature of 85 °F, while the coldest month of the year is January with an average minimum temperature of 2 °F.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 25 °F, and moderate during winter with an average difference of 22 °F.

The annual average precipitation in Sioux Falls is 24.69 inches. Precipitation in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 3.49 inches.