December weather forecast
New Jersey, USA

December marks the arrival of winter in New Jersey, bringing with it colder temperatures, increased chances of snow, and the potential for winter storms.

In the northern highlands, minimum temperatures can fall between 24°F (-4.4°C) to 29°F (-1.7°C), while in the southern coastal areas, they may range from 32°F (0°C) to 36°F (2.2°C). Maximum temperatures generally vary from 39°F (3.9°C) in the north to 45°F (7.2°C) in the central and southern regions.

Snowfall begins to occur, particularly in the northwest portion of the state, with ranges from 6" (152mm) to 8" (203mm) in the northern areas and 2" (51mm) to 4" (102mm) in the south. Rainfall averages around 2.8" (71mm) in the northern areas to 3.1" (79mm) in the south.

Cities such as Paterson and Jersey City experience a winter chill, while coastal regions like Atlantic City may be slightly warmer due to maritime influences. The northern valleys and highlands may register temperatures below 0°F (-17.8°C), notably colder than the rest of the state.

Comparing December to November, there is a marked decrease in temperatures, with the northwest region becoming particularly cold. The introduction of snowfall and the potential for winter storms further differentiate December from preceding months.

December's arrival of winter conditions, including the chill in the air, snowfall, and winter storms, sets the tone for the coming months. The state's varied climate zones manifest in differing weather experiences across New Jersey, offering a mix of wintry landscapes and opportunities for winter sports and activities. The coastal regions continue to be more temperate, but the influence of the Atlantic Ocean lessens as winter takes hold.

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• Newark - December »
  January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Newark, New Jersey. In Newark, New Jersey, in December, it is raining for 11.9 days, with typically 3.19" (81mm) of accumulated precipitation.
• Jersey City - December »
  In Jersey City, New Jersey, during December, the rain falls for 12.5 days and regularly aggregates up to 3.74" (95mm) of precipitation. In Jersey City, in December, during 3.7 snowfall days, 1.77" (45mm) of snow is typically accumulated.
• Paterson - December »
  The month with the shortest days in Paterson, New Jersey, is December, with an average of 9h and 18min of daylight. In Paterson in December, during 4 snowfall days, 1.54" (39mm) of snow is typically accumulated.
• Elizabeth - December »
  In Elizabeth, in December, during 3.8 snowfall days, 1.34" (34mm) of snow is typically accumulated. With an average of 9h and 18min of daylight, December has the shortest days of the year in Elizabeth, New Jersey.
• Edison - December »
  In Edison in December, it is raining for 10.2 days, with typically 2.64" (67mm) of accumulated precipitation. In Edison in December, it is raining for 10.2 days, with typically 2.64" (67mm) of accumulated precipitation.
• Toms River - December »
  The month with the most snowfall in Toms River is December, when snow falls for 2.8 days and typically aggregates up to 0.75" (19mm) of snow. In Toms River, New Jersey, during December, the rain falls for 9.6 days and regularly aggregates up to 1.5" (38mm) of precipitation.
• Trenton - December »
  In Trenton, New Jersey, in December, snow falls for 3 days, with typically accumulated 1.3" (33mm) of snow. In Trenton in December, during 11.2 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.
• Clifton - December »
  The month with the shortest days in Clifton is December, with an average of 9h and 18min of daylight. The months with the highest humidity in Clifton are February and December, with an average relative humidity of 77%.
• Camden - December »
  In Camden, in December, during 1.6 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Camden, in December, snow falls for 1.6 days, with typically accumulated 0.2" (5mm) of snow.
• Cherry Hill - December »
  With an average of 9h and 24min of daylight, December has the shortest days of the year in Cherry Hill, New Jersey. In Cherry Hill in December, it is raining for 7.4 days, with typically 1.1" (28mm) of accumulated precipitation.
• Passaic - December »
  In Passaic, in December, during 3.5 snowfall days, 1.14" (29mm) of snow is typically accumulated. In Passaic, in December, during 3.5 snowfall days, 1.14" (29mm) of snow is typically accumulated.