All year around is the best time to visit the Atlantic City. Here the summers are warm yet comfortable. The ocean breeze which flows inward from the Atlantic Ocean brings in the coolness. This lowers the temperature inland. The high during the summers is around 25c.
The winters are also cool which also makes it quite a comforting period to visit this city. The average temperature in January is around 2c. During the spring and autumn, the climate is mild and enjoyable.