Evidence-based winter planning

What is the average temperature in New York in December?

December in New York is cold but usually manageable with layers: normal daytime highs are about 6.8°C and nighttime lows about 1°C.

Reviewed: July 18, 2026

What is the average temperature in New York in December?

The short answer

Central Park’s 1991–2020 climate normals show a December average high of 44.3°F (6.8°C), an average low of 33.8°F (1.0°C) and a monthly mean of 39.1°F (3.9°C). Early December is normally milder than the final week.

6.8°C

Average high

1.0°C

Average low

3.9°C

Monthly mean

What December weather actually feels like

Climate averages describe a month, not a particular travel week. A calm afternoon at 7°C can feel comfortable in the sun, while a windy evening at the same temperature can feel much colder between tall buildings. Humidity, rain and time spent standing make a major difference.

The beginning of December is generally milder than the period around New Year, but short cold snaps are possible at any point. Build a plan that can move indoors instead of assigning every attraction to one unchangeable day.

Daylight and the best daily rhythm

December has short days, with sunset arriving in the late afternoon. Use the brightest hours for Central Park, neighbourhood walks and harbour views. Move museums, shows and meals into the darker part of the day.

Early darkness is an advantage for Christmas lights: you do not need to stay out late to see Midtown illuminated. Families can experience the full evening atmosphere and still return to the hotel at a sensible hour.

How to plan around the forecast

Check the detailed forecast two or three days before each activity, then confirm it again that morning. Reserve flexible indoor options for rain or strong wind and protect the clearest period for an observatory.

Do not cancel a trip because one long-range forecast shows snow or rain. Forecast confidence changes quickly, and New York offers enough indoor attractions to keep a winter day valuable.

Practical checklist

  • Expect colder wind between tall buildings and on observation decks.
  • Plan outdoor highlights around midday and use museums as weather buffers.
  • Check the short-term forecast shortly before departure; averages are not a forecast.

Data sources and editorial method

Climate figures use official long-term normals and are not a forecast for a specific travel date. Skreenz Travel Media translates the data into practical trip-planning advice and records the review date.

National Weather Service — Central Park normals and extremes
National Weather Service — December almanac
NYC Emergency Management — winter weather information