Dennis
WinterOff season ~40°F highs
Things to do in Dennis in December
December is off season (quieter, and often cheaper) to visit Dennis, with average highs around 40°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.
Dennis in December: quick answers
Is December a good time to visit Dennis?
December is off season (quieter, and often cheaper) to visit Dennis, with average highs around 40°F. Museums and indoor sights come into their own, with fewer crowds outside.
What is the weather like in Dennis in December?
Average daytime highs are around 40°F, compared with 80°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 Dennis in December?
Top picks for December: Highland/Cape Cod Light, Highland House Museum, Nantucket Whaling Museum, Oldest House, Provincetown Art Association & Museum;Provincetown Art Association and Museum.
