Measurements:
°C
°F
Sioux Falls
64°F
N 16 mph
Feels like: 64°F
Precip: 3%
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:
October 19 days
September 17 days
July 15 days
The most warm months:
July 86.7 °F
August 86.4 °F
June 81.9 °F
The most cold months:
January 19.5 °F
February 25.5 °F
December 27.8 °F
The most rainy months:
May 3 days
September 2 days
July 2 days
The most windy months:
April 12 mph
March 11 mph
October 11 mph

Sioux Falls on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +60
Hawaii +82
Houston +84
Las Vegas +92
Los Angeles +102
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Sioux Falls
Local time: 19:56
05 oct, monday
2100 64°F
N
16 mph
06 oct, tuesday
0000 62°F
N
16 mph
0300 60°F
N
14 mph
0600 58°F
N
12 mph
0900 60°F
N
10 mph
1200 74°F
NE
7 mph
1500 84°F
E
6 mph
1800 80°F
NE
6 mph