WinterOff season ~27°F highs

Things to do in Sioux Falls in January

January is off season (quieter, and often cheaper) to visit Sioux Falls, with average highs around 27°F. Museums and indoor sights come into their own, with fewer crowds outside.

Plan a January weekend Where else in January

Best picks for January

What's famous here, weighted toward what shines in January.

1Indoor escape

National Music Museum

musical instrument museum at the University of South Dakota, United States

2Indoor escape

Austin-Whittemore House Museum

historic house in South Dakota, United States

3Indoor escape

Old Courthouse Museum

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 Falls in January: quick answers

Is January a good time to visit Sioux Falls?

January is off season (quieter, and often cheaper) to visit Sioux Falls, with average highs around 27°F. Museums and indoor sights come into their own, with fewer crowds outside.

What is the weather like in Sioux Falls in January?

Average daytime highs are around 27°F, compared with 84°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 Falls in January?

Top picks for January: National Music Museum, Austin-Whittemore House Museum, Old Courthouse Museum, Great Plains Zoo, Falls Park.