Sioux Falls in december: average Weather, Temperature and Climate
Weather in Sioux Falls in december 2026
The weather in Sioux Falls in the month of december comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 249.3cm
Weather at 6am
22°F
Clear/Sunny
33% of time
22%
21%
19%
Weather at 12pm
27°F
Clear/Sunny
34% of time
22%
22%
20%
Weather at 6pm
25°F
Clear/Sunny
32% of time
22%
21%
19%
Weather at 3am
22°F
31%
24%
19%
17%
Evolution of daily average temperature and precipitation in Sioux Falls in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sioux Falls in december.
The climate of Sioux Falls in december is very bad
The climate in december in Sioux Falls is rather dry (with 1.7in of precipitation over 3 days). The weather's not getting better compared to the previous month since in november there is an average of 1.5in of rainfall over 2 days.
The climate is icy there december. Plan a sweater!. The high seasonal norm is 31°F. The seasonal minimum is 20°F. Thus, the mean temperature average in december in Sioux Falls is 25°F. Note that seasonal normals in contrast with those observed in Sioux Falls in the month of december with a maximum record of 61°F in 2021 and a minimum record of -22°F in 2016.
On this month of december, day length in Sioux Falls is generally 08:57. Sunrise is at 07:54 and sets at 16:51.
December: another location in the United States (USA)?
If you want to go to the United States (USA) in december, there are destinations with better weather than Sioux Falls:
In december, Miami (Florida) has perfect weather.
Furthermore, Hawaii (Honolulu), Houston, Myrtle Beach, Phoenix (Arizona), Carolina Beach and Dauphin Island (Alabama) have good weather.
Finally, California, Louisiana, Atlanta, Dallas, Austin and Big Bend National Park (Texas) have a tolerable climate, but better than Sioux Falls.
Seasonal average climate and temperature of Sioux Falls in december
Check below seasonal norms These datas are compiled from the weather statements of the last years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 25°F | ||||
| Highest temperature | 31°F | ||||
| Lowest temperature | 20°F | ||||
| Highest record temperature | 61°F (2021) | ||||
| Lowest record temperature | -22°F (2016) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 28 day(s) (90%) | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 9°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.7in | ||||
| Number of days with rainfall | 3 day(s) (8%) | ||||
| Record daily rainfall | 1.4in (2019) | ||||
| Snowfall | 249.3cm | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 8.37km | ||||
| Cloud cover | 51% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:54 | ||||
| Time of sunset | 16:51 | ||||
| Length of day | 08:57 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Sioux Falls in december 2025:
18°F to 27°F
7°F to 31°F
20°F to 32°F
0°F to 27°F
29°F to 34°F
23°F to 27°F
9°F to 16°F
22°F to 32°F
27°F to 40°F
20°F to 36°F
18°F to 29°F
20°F to 27°F
9°F to 11°F
-5°F to 14°F
11°F to 38°F
22°F to 40°F
27°F to 38°F
20°F to 38°F
11°F to 25°F
27°F to 38°F
16°F to 31°F
27°F to 38°F
23°F to 31°F
27°F to 31°F
27°F to 31°F
31°F to 36°F
34°F to 36°F
18°F to 36°F
7°F to 22°F
11°F to 40°F
31°F to 32°F
Map: other cities in the United States (USA) in december
Cities near Sioux Falls:
| Minneapolis (Minnesota) in december | very bad weather |
| Des Moines in december | very bad weather |
| Kansas City in december | very bad weather |
| Kansas in december | very bad weather |
| Mount Rushmore in december | very bad weather |
| North Dakota in december | very bad weather |
| Wisconsin in december | very bad weather |
| Illinois in december | very bad weather |
| Missouri in december | very bad weather |
| Chicago in december | very bad weather |
| St. Louis (Missouri) in december | very bad weather |
| Denver in december | very bad weather |
Click over cities on the map for information about the weather in december.
Sioux Falls
perfect weather
good
tolerable
bad
very bad
Weather data for Sioux Falls in december:
Weather data for Sioux Falls for december are derived from an average of the weather forecast since 2009 in Sioux Falls. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sioux Falls can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Sioux Falls.