Current sea water temperature:
+40.8°F
| Minimum sea water temperature in December: | 55.2°F |
| Maximum sea water temperature in December: | 38.1°F |
| Average sea water temperature in December: | 47.2°F |
| more information | |
14 days
forecast
forecast
| Atlantic City |
monthly
weather
weather
| Atlantic City |
Sea water temperature for the last 10 days:
| December 20 | 40.8°F | December 15 | 40.8°F |
| December 19 | 39.9°F | December 14 | 42.4°F |
| December 18 | 39.9°F | December 13 | 42.4°F |
| December 17 | 40.5°F | December 12 | 43.0°F |
| December 16 | 40.1°F | December 11 | 45.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Atlantic City?
Based on the data about daily sea water temperature for the last three years the warmest sea in Atlantic City was noticed in August, July and September.
Monthly Sea Temperatures in Atlantic City, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 80.4°F and 71.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.3°F. The highest and lowest sea temperatures during the month were 79.9°F and 74.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 71.6°F. The highest and lowest sea temperatures during the month were 73.9°F and 69.1°F.
current
weather
weather
| Atlantic City |
weather in
December
December
| Atlantic City |
Best time for vacation in Atlantic City
Atlantic City on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Atlantic City
Local time: 23:13
December 21, sunday
0000
41°F
NE
19 mph
19 mph
0300
41°F
NE
20 mph
20 mph
0600
41°F
NE
17 mph
17 mph
0900
39°F
E
14 mph
14 mph
1200
46°F
E
17 mph
17 mph
1500
48°F
E
19 mph
19 mph
1800
43°F
SE
19 mph
19 mph
2100
34°F
SE
19 mph
19 mph
