World Resorts USA Atlantic City Weather

Atlantic City Sea Temperature in December

Average sea water temperature in December:
+47.2°F
Minimum sea water temperature in December: 55.2°F
Maximum sea water temperature in December: 38.1°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 43.1°F. The highest and lowest sea temperatures during the month were 48.4°F and 39.9°F.

Monthly sea water temperature in Atlantic City, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.4°F 78.3°F
West Palm Beach 79.2°F 78.4°F
Fort Lauderdale 78.9°F 77.6°F
Honolulu 78.7°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.4°F 76.0°F
Maui 78.2°F 77.8°F
Miami Beach 77.8°F 75.9°F
Oahu 77.3°F 77.2°F
Islamorada 77.0°F 73.4°F
Key Largo 76.9°F 73.1°F
Key West 76.4°F 72.6°F
Miami 76.1°F 73.0°F
Everglades 74.2°F 69.7°F
Marco Island 72.1°F 68.0°F
Naples 71.7°F 67.7°F
Cape Coral 71.5°F 67.8°F
South Padre Island 71.4°F 71.9°F
Sanibel Island 71.1°F 67.1°F
Siesta Key 69.5°F 65.6°F

Best time for vacation in Atlantic City

Sunniest months:
August 16 days
November 16 days
June 15 days
Warmest months:
July 81.0 °F
August 79.8 °F
September 74.3 °F
Warmest sea temp:
August 75.4 °F
July 75.2 °F
September 72.7 °F
Coldest months:
January 39.1 °F
February 41.3 °F
December 45.9 °F
Rainiest months:
May 4 days
February 4 days
March 4 days
Windiest months:
January 13.4 mph
March 13.1 mph
April 13.0 mph

Atlantic City on a weather map

Atlantic City
+43°F
E 12 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+73°F
+73°F
+59°F
+59°F
+70°F
+75°F
+68°F
+36°F
+61°F
+57°F
+66°F
+64°F
+70°F
+39°F
24 Hours Forecast
Atlantic City
Local time: 23:14
December 24, wednesday
0000
43°F
E
12 mph
0300
41°F
E
13 mph
0600
41°F
E
18 mph
0900
41°F
SE
19 mph
1200
45°F
SE
21 mph
1500
46°F
SE
19 mph
1800
43°F
S
15 mph
2100
39°F
S
10 mph
Units of measurement: °C / °F