Weather in Sioux Falls: December
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Average day temperature: | 30.0°F |
| Average night temperature: | 22.5°F | |
 |
Number of sunny days: | 10 days |
| Day length: | 8.9 - 9.2 hours | |
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Number of days with precipitation: | 1 day |
| Precipitation totals: | 0.4 in. | |
| more information | ||
14 days
forecast
forecast
| Sioux Falls |
weather in
January
January
| Sioux Falls |
Air temperature in December, °F
Show year:
2025
2024
2023
The highest day temperature during December of 2025 was 50°F. At the same time the lowest night temperature was -4°F. Daily and nightly averages during December were 27.9°F and 19.9°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Sioux Falls in December is 0.4 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 9.8 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.5.
Best time for vacation in Sioux Falls
Sioux Falls on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sioux Falls
Local time: 03:26
January 13, tuesday
0600
45°F
E
15 mph
15 mph
0900
37°F
E
16 mph
16 mph
1200
39°F
E
17 mph
17 mph
1500
43°F
SE
19 mph
19 mph
1800
41°F
SE
17 mph
17 mph
2100
36°F
SE
17 mph
17 mph
January 14, wednesday
0000
34°F
S
19 mph
19 mph
0300
34°F
S
17 mph
17 mph
