Temperature for December
In Atlantic City, NJ during December the average high temperature is 47.5°F. The hottest day on record was December 7, 1998 when the temperature recorded was 75.9°F.

In Atlantic City, NJ during December the average high temperature is 47.5°F. The hottest day on record was December 7, 1998 when the temperature recorded was 75.9°F.
In December the average monthly rainfall in Atlantic City, NJ is 2.62 inches with rain usually falling on between 10 and 11 days. 1948 was the driest December with only 0.00 inches of rain falling, and 2009 was the wettest December with 10.04 inches of rain. The wettest single day in December was 12 December 2008 when 4.23 inches of rain fell.
In December it usually snows on between 3 and 4 days. In December there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in December.