World Resorts USA Long Beach Island Weather

Long Beach Island Sea Temperature in December

Average sea water temperature in December:
+46.8°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 43.9°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 79.4°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 77.2°F 77.2°F
Islamorada 77.0°F 73.4°F
Key Largo 76.8°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 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 44.7 °F
Rainiest months:
March 3 days
April 3 days
July 3 days
Windiest months:
January 11.7 mph
March 11.6 mph
April 11.1 mph

Long Beach Island on a weather map

Long Beach Island
+37°F
SE 6 mph
Feels like: +34°F
Precip.: 0%
Places in USA:
Name
°F
+39°F
+73°F
+73°F
+59°F
+61°F
+66°F
+73°F
+66°F
+30°F
+64°F
+54°F
+63°F
+61°F
+68°F
+39°F
24 Hours Forecast
Long Beach Island
Local time: 01:29
December 25, thursday
0300
36°F
E
5 mph
0600
39°F
NE
6 mph
0900
39°F
NE
14 mph
1200
41°F
NE
13 mph
1500
41°F
E
14 mph
1800
39°F
SE
12 mph
2100
37°F
SE
18 mph
December 26, friday
0000
32°F
S
18 mph
Units of measurement: °C / °F