Winter temperatures · South Dakota
How cold does Sioux Falls get in winter?
Sioux Falls right now
33°FScattered clouds
- Today41°F / 29°FClouds
- Tomorrow49°F / 25°FClear skies
- Monday53°F / 34°FClear skies
Overcast and over it.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical winter, December to February, Sioux Falls averages highs around 30°F and lows around 12°F.
About 66 days a year never get above freezing. About 50 nights a year drop to 10°F or colder, and about 25 go below zero. That makes it the 7th coldest winter of the 129 US cities we track.
Last updated
The coldest low in the forecast for the next 48 hours is about 25°F.
Sioux Falls gets about 25 nights a year below zero, and the prairie wind makes sure each one is personal.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
More about the weather here
Winter at a glance
| Average winter high | 30°F |
|---|---|
| Average winter low | 12°F |
| Days a year that stay below freezing | 66 |
| Nights a year at 32°F or colder | 162 |
| Nights a year at 10°F or colder | 50 |
| Nights a year below zero | 25 |
| Average summer high, for comparison | 83°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- Green Bay, Wisconsin: highs around 29°F, lows around 14°F
- Dubuque, Iowa: highs around 30°F, lows around 14°F
- Minneapolis, Minnesota: highs around 27°F, lows around 12°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014944.