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Climate Sioux Falls is located in southeastern South Dakota and experiences a wide array of weather. South Dakota is known for wind conditions almost every day. South Dakota’s temperatures range from -20 degrees Fahrenheit in the winter to above 100 degrees Fahrenheit in the summer. Sioux Falls experiences ice storms and blizzards during the winter, flooding in the spring and thunderstorms with the chance of tornadoes in the spring and the summer. Droughts are often a concern in the late summer. Sioux Falls The tables below display average monthly climate and weather indicators in Sioux Falls South Dakota. Temperature by: Fahrenheit / Centigrade Sioux Falls Temperature

Jan Feb Mar Apr

May

Jun

Jul

Avg. Temperature

13.8 19.7 32.5 46.9

58.4

68.3

74.3 71.4 60.9 48.6 33.0 18.3

45.5

Avg. Max Temperature

24.3 29.6 42.3 59.0

70.7

80.5

86.3 83.3 73.1 61.2 43.4 28.0

56.8

Avg. Min Temperature

3.3

9.7 22.6 34.8

45.9

56.1

62.3 59.4 48.7 36.0 22.6 8.6

34.2

Days with Max Temp of 90 F or Higher

0.0

0.0

0.0 < 0.5

1.0

4.0

10.0

7.0

2.0

0.0

23.0

Days with Min Temp Below Freezing

31.0 28.0 25.0 13.0

2.0

0.0

0.0

0.0

1.0 11.0 26.0 31.0

168

Sioux Falls Heating and Cooling

Jan Feb Mar Apr

May

Jun

Jul

Aug Sep Oct Nov Dec Annual

Heating Degree Days

1587 1268 1008 543

240

50.0

10.0 22.0 165 508 960 1448 7809

0.0

0.0

Aug Sep Oct Nov Dec Annual

0.0

0.0

Cooling Degree Days

0.0

0.0

35.0

149

298

220 42.0 0.0

0.0

0.0

744

Sioux Falls Precipitation

Jan Feb Mar Apr

May

Jun

Jul

Aug Sep Oct Nov Dec Annual

Precipitation (inches)

0.5

0.6

1.6

2.5

3.0

3.4

2.7

2.9

3.0

1.8

1.1

0.7

23.9

Days with Precipitation 0.01 inch or More

6.0

7.0

9.0

9.0

11.0

11.0

10.0

9.0

8.0

6.0

6.0

6.0

99.0

Monthly Snowfall (inches)

6.8

8.2

9.4

2.8 < 0.05 < 0.05 < 0.05 0.0

0.0

0.8

5.8

7.2

41.0

Other Sioux Falls Weather Indicators

Jan Feb Mar Apr

May

Jun

Average Wind Speed

10.9 11.1 12.4 12.9

11.8

Clear Days

8.0

7.0

6.0

7.0

7.0

Partly Cloudy Days

8.0

7.0

8.0

8.0

Cloudy Days

15.0 15.0 17.0 15.0

Avg. Relative Humidity

56.5 75.0 75.5 73.0

Jul

Aug Sep Oct Nov Dec Annual

10.7

9.8

9.8 10.3 10.7 11.5 10.7

9.0

12.0 12.0 12.0 11.0 7.0

8.0

105

10.0

11.0

12.0 11.0 8.0

7.0

103

14.0

11.0

8.0

9.0 10.0 12.0 16.0 16.0

157

68.5

68.5

70.5 71.0 72.0 70.0 70.0 74.0

77.0

9

8.0

7.0

11.1

2016 Standards of Cover Manual  
2016 Standards of Cover Manual