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Sioux Falls, SD Climate
1991 to 2020 normals at Sioux Falls, 2.4 mi from the center of Sioux Falls, elevation 1430 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 27° | 9° | 0.60 in | 8.0 in | |
| February | 32° | 13° | 0.83 in | 8.6 in | |
| March | 45° | 24° | 1.60 in | 7.2 in | |
| April | 59° | 36° | 3.00 in | 5.1 in | |
| May | 71° | 48° | 3.86 in | 0.1 in | |
| June | 81° | 59° | 4.23 in | 0.0 in | |
| July | 85° | 63° | 3.25 in | 0.0 in | |
| August | 83° | 61° | 3.34 in | 0.0 in | |
| September | 76° | 52° | 2.73 in | 0.0 in | |
| October | 61° | 38° | 2.36 in | 1.4 in | |
| November | 45° | 25° | 1.22 in | 6.2 in | |
| December | 32° | 13° | 0.83 in | 8.7 in | |
| Year | 58° | 27.85 in | 45.3 in |
Frequently asked questions
- What is the hottest month in Sioux Falls, SD?
- July is the warmest month, with a normal high of 85°F at Sioux Falls.
- What is the coldest month in Sioux Falls, SD?
- January is the coldest month, with a normal low of 9°F.
- What is the wettest month in Sioux Falls, SD?
- June has the most precipitation on average, about 4.23 inches.