Sumter
WinterOff season ~56°F highs
Things to do in Sumter in December
December is off season (quieter, and often cheaper) to visit Sumter, with average highs around 56°F. Museums and indoor sights come into their own, with fewer crowds outside.
Best picks for December
What's famous here, weighted toward what shines in December.
Holidays in December 2026
- Christmas Day · Fri, Dec 25
Expect busier roads and pricier stays around these dates. See long weekends.
Sumter in December: quick answers
Is December a good time to visit Sumter?
December is off season (quieter, and often cheaper) to visit Sumter, with average highs around 56°F. Museums and indoor sights come into their own, with fewer crowds outside.
What is the weather like in Sumter in December?
Average daytime highs are around 56°F, compared with 93°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 Sumter in December?
Top picks for December: Kendall Mill Historic District, Santee National Wildlife Refuge, Woods Bay State Park, Bishopville Commercial Historic District, Santee State Park.