Measurements:
°C
°F
Sioux Falls
28°F
SE 15 mph
Feels like: 16°F
Precip: 0%
World Resorts USA Sioux Falls Weather December Weather in Sioux Falls

Sioux Falls Weather: December

Average Day Temperature: 27.8°F
Average Night Temperature: 19.4°F
Number of Sunny Days: 10 days
Sunshine Hours: 8.9 - 9.2 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.4 in
Number of Snowy Days: 1 day

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 50°F. The lowest night temperature was -11°F. The average values for day and night temperatures during December were 25.5°F и 16.5°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Sioux Falls is 0.4 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 9.8 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sioux Falls in December is 4.7 hours.

Best Time to Visit Sioux Falls
The most sunny months:
September 20 days
October 19 days
November 15 days
The most warm months:
August 86.2 °F
July 85.5 °F
June 81.9 °F
The most cold months:
January 19.1 °F
February 23.3 °F
December 27.8 °F
The most rainy months:
May 3 days
July 2 days
June 2 days
The most windy months:
April 12 mph
March 11 mph
October 11 mph

Sioux Falls on the Weather Map

USA Resorts:
NAME
Chicago +34
Hawaii +80
Honolulu +80
Houston +56
Las Vegas +60
Los Angeles +72
Maui +72
Miami +80
Miami Beach +80
New York +40
San Diego +72
San Francisco +56
Sarasota +78
Tampa +80
Washington +46
24 Hours Weather Forecast
Sioux Falls
Local time: 16:46
10 jan, saturday
1800 28°F
SE
15 mph
2100 22°F
SE
14 mph
11 jan, sunday
0000 16°F
SE
11 mph
0300 12°F
SE
7 mph
0600 14°F
E
4 mph
0900 16°F
NE
5 mph
1200 26°F
NE
8 mph
1500 40°F
N
11 mph