Sioux City
WinterOff season ~31°F highs
Things to do in Sioux City in January
January is off season (quieter, and often cheaper) to visit Sioux City, with average highs around 31°F. Museums and indoor sights come into their own, with fewer crowds outside.
Best picks for January
What's famous here, weighted toward what shines in January.
Holidays in January 2027
- New Year's Day · Fri, Jan 1
- Martin Luther King, Jr. Day · Mon, Jan 18
Expect busier roads and pricier stays around these dates. See long weekends.
Sioux City in January: quick answers
Is January a good time to visit Sioux City?
January is off season (quieter, and often cheaper) to visit Sioux City, with average highs around 31°F. Museums and indoor sights come into their own, with fewer crowds outside.
What is the weather like in Sioux City in January?
Average daytime highs are around 31°F, compared with 85°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
What are the best things to do in Sioux City in January?
Top picks for January: Sergent Floyd River Museum, Hornick Depot, Living Heritage Tree Museum, Lewis and Clark State Park, Stone State Park.
