Atlantic City beach and Boardwalk skyline at sunset

Weather · December

Atlantic City weather in December

Average highs of 47°F, lows of 35°F and 4.2 in of rain, from 30 years of weather records.

December is Atlantic City’s 10th warmest month, with average highs of 47°F and lows of 35°F. That is 8° cooler than November, and 14° below the yearly average high.

Average high
47°F
Average low
35°F
Precipitation
4.2 in
Wet days
11
Sunrise · sunset
7:10 AM · 4:35 PM

December across the year

  1. 42°30°Jan
  2. 43°31°Feb
  3. 48°37°Mar
  4. 57°46°Apr
  5. 66°55°May
  6. 75°65°Jun
  7. 80°71°Jul
  8. 79°70°Aug
  9. 74°65°Sep
  10. 65°54°Oct
  11. 55°43°Nov
  12. 47°35°Dec

High and low Rain

What to wear in December

  • Cool days: a warm jacket and long pants, plus layers for the swing between morning and afternoon.
  • Pack an umbrella or rain jacket: rain or snow falls on about 11 days this month.

December is good for

What’s on in Atlantic City in December

See all upcoming events and school days off.

Around Atlantic City

Entrance to the beach from the Atlantic City Boardwalk at Maryland Avenue in Atlantic City, Atlantic County, New Jersey, with
2025-04-28 11 44 43 Entrance to the beach from the Atlantic City Boardwalk at Maryland Avenue in Atlantic City, Atlantic County, New Jersey, with the Steel Pier visible in the distanceFamartin · CC BY-SA 4.0
View southwest along the beach at the Steel Pier in Atlantic City, Atlantic County, New Jersey
2025-04-28 11 38 09 View southwest along the beach at the Steel Pier in Atlantic City, Atlantic County, New JerseyFamartin · CC BY-SA 4.0
Sea gulls on a rocky jetty along the beach between the Steel Pier and the Central Pier in Atlantic City, Atlantic County, New
2025-04-28 11 29 21 Sea gulls on a rocky jetty along the beach between the Steel Pier and the Central Pier in Atlantic City, Atlantic County, New JerseyFamartin · CC BY-SA 4.0

See Atlantic City

A look around town before you go.

December compared with the months around it

MonthHighLowRain
November55°F43°F3.4 in
December47°F35°F4.2 in
January42°F30°F3.1 in

Planning a trip? See the best time to visit Atlantic City and today’s forecast.

Questions

How hot does it get in Atlantic City in December?

Average highs are 47°F and average lows 35°F, for a daily mean of 41°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Atlantic City in December?

December averages 4.2 in of precipitation over about 11 days with at least 0.01 in. It is the 3rd wettest month of the year.

What time is sunset in Atlantic City in December?

Around mid-December the sun rises about 7:10 AM and sets about 4:35 PM, for roughly 9.4 hours of daylight.

Is December a good time to visit Atlantic City?

The mildest months for visiting are May, June, September. December is cold, with Christmas lights and New Year’s Eve events.

NOAA U.S. Climate Normals 1991–2020, Atlantic City station (1.2 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

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