World Resorts USA Long Beach Island Weather

Long Beach Island Sea Temperature in December

Average sea water temperature in December:
+46.6°F
Minimum sea water temperature in December: 54.3°F
Maximum sea water temperature in December: 39.2°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 43.0°F. The highest and lowest sea temperatures during the month were 49.3°F and 39.2°F.

Monthly sea water temperature in Long Beach Island, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.4°F 73.4°F
Key Largo 76.3°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.8°F 68.0°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 70.9°F 67.1°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Long Beach Island

Sunniest months:
November 17 days
September 15 days
October 15 days
Warmest months:
July 80.7 °F
August 78.9 °F
June 74.4 °F
Warmest sea temp:
July 77.1 °F
August 76.2 °F
September 72.6 °F
Coldest months:
January 40.0 °F
February 41.9 °F
December 44.0 °F
Rainiest months:
March 3 days
April 3 days
July 3 days
Windiest months:
January 11.7 mph
March 11.6 mph
December 11.4 mph

Long Beach Island on a weather map

Long Beach Island
+28°F
E 17 mph
Feels like: +16°F
Precip.: 0%
Places in USA:
Name
°F
+27°F
+73°F
+73°F
+45°F
+61°F
+45°F
+50°F
+66°F
+27°F
+66°F
+46°F
+45°F
+41°F
+39°F
+27°F
24 Hours Forecast
Long Beach Island
Local time: 10:13
December 31, wednesday
1200
30°F
E
18 mph
1500
34°F
E
17 mph
1800
37°F
E
15 mph
2100
37°F
NE
15 mph
January 01, thursday
0000
37°F
NE
14 mph
0300
36°F
E
15 mph
0600
34°F
E
19 mph
0900
32°F
SE
19 mph
Units of measurement: °C / °F