Waterloo
WinterOff season ~30°F highs
Things to do in Waterloo in December
December is off season (quieter, and often cheaper) to visit Waterloo, with average highs around 30°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.
Waterloo in December: quick answers
Is December a good time to visit Waterloo?
December is off season (quieter, and often cheaper) to visit Waterloo, with average highs around 30°F. Museums and indoor sights come into their own, with fewer crowds outside.
What is the weather like in Waterloo in December?
Average daytime highs are around 30°F, compared with 82°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 Waterloo in December?
Top picks for December: Bily Clocks Museum, Ice House, Matugani, Effigy Mounds National Monument, Lost Island Theme Park.
