Long Island
WinterOff season ~39°F highs
Things to do in Long Island in December
December is off season (quieter, and often cheaper) to visit Long Island, with average highs around 39°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.
What’s on in Long Island in December
Concerts, games and shows in the next few weeks. Tickets open on Ticketmaster.
Long Island in December: quick answers
Is December a good time to visit Long Island?
December is off season (quieter, and often cheaper) to visit Long Island, with average highs around 39°F. Museums and indoor sights come into their own, with fewer crowds outside.
What is the weather like in Long Island in December?
Average daytime highs are around 39°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 Long Island in December?
Top picks for December: Heckscher Museum of Art, Parrish Art Museum, Long Island Museum of American Art, History and Carriages, Sagamore Hill, Long Island Maritime Museum.
