The highest day temperature in January 2025 was 47°F. The lowest night temperature was 15°F. The average values for day and night temperatures during January were 34.5°F и 27.6°F respectivly.

The average sea surface temperature in January 2025 for Atlantic City was 36.3°F. The maximum and minimum values were 31.6°F and 42.4°F respectively.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Atlantic City is 2.2 in.

The average wind speed in January is 13.4 mph. It makes January the most windy month of the year for Atlantic City.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Atlantic City in January is 5.5 hours.