Weather in Atlantic City: January
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Average day temperature: | 39.1°F |
| Average night temperature: | 34.0°F | |
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Sea water temperature: | 41.6°F |
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Number of sunny days: | 13 days |
| Day length: | 9.5 - 10.2 hours | |
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Number of days with precipitation: | 4 days |
| Precipitation totals: | 2.2 in. | |
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| Atlantic City |
temperature
| Atlantic City |
Air temperature in January, °F
| Day temperature | Night temperature |
The highest day temperature during January of 2025 was 47°F. At the same time the lowest night temperature was 18°F. Daily and nightly averages during January were 36.1°F and 29.8°F.
Sea water temperature in Atlantic City in January, °F
The average sea water temperature in January of 2025 was 37.7°F. The highest and lowest sea temperatures during the month were 43.2°F and 33.4°F.
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
Number of sunny, partly cloudy and cloudy days in January is almost equal.
Precipitation total in January, in.
Precipitation total value in Atlantic City in January is 1.8 in. Other months of the year show relatively similar values.
The average wind speed value in January is 12.8 mph It makes January most windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 5.3.
Best time for vacation in Atlantic City
Atlantic City on a weather map
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