Temperature for January
In Atlantic City, NJ during January the average high temperature is 43.4°F. The hottest day on record was January 26, 1950 when the temperature recorded was 73.4°F.

In Atlantic City, NJ during January the average high temperature is 43.4°F. The hottest day on record was January 26, 1950 when the temperature recorded was 73.4°F.
In January the average monthly rainfall in Atlantic City, NJ is 2.60 inches with rain usually falling on between 9 and 10 days. 1948 was the driest January with only 0.00 inches of rain falling, and 1994 was the wettest January with 9.32 inches of rain. The wettest single day in January was 6 January 1973 when 3.54 inches of rain fell.
In January it usually snows on between 5 and 6 days. In January there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in January.