The weather in Sioux City in January is very cold with temperatures between -10°C and -2°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sioux City during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Sioux City during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Sioux City.
Our weather forecast can give you a great sense of what weather to expect in Sioux City in January 2025.
If you’re planning to visit Sioux City in the near future, we highly recommend that you review the 14 day weather forecast for Sioux City before you arrive.
Temperatures
-2° / -10°
Rainy Days
6
Snowy Days
3
Dry Days
22
Rainfall
23
mm
Sun Hours
4.6
Hrs