World Resorts USA Myrtle Beach Weather

Myrtle Beach Sea Temperature in December

Average sea water temperature in December:
+56.4°F
Minimum sea water temperature in December: 64.8°F
Maximum sea water temperature in December: 48.7°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 55.8°F. The highest and lowest sea temperatures during the month were 60.6°F and 51.4°F.

Monthly sea water temperature in Myrtle Beach, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.4°F 78.3°F
Fort Lauderdale 79.1°F 77.6°F
Honolulu 78.8°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.5°F 76.0°F
Maui 78.2°F 77.8°F
Miami Beach 77.9°F 75.9°F
Oahu 77.4°F 77.2°F
Islamorada 77.1°F 73.4°F
Key Largo 77.0°F 73.1°F
Key West 76.6°F 72.6°F
Miami 76.2°F 73.0°F
Everglades 74.2°F 69.7°F
Naples 71.8°F 67.7°F
South Padre Island 71.6°F 71.9°F
Cape Coral 71.6°F 67.8°F
Sanibel Island 71.3°F 67.1°F
Siesta Key 69.8°F 65.6°F
Sarasota 69.6°F 65.6°F
Cocoa Beach 69.5°F 66.6°F

Best time for vacation in Myrtle Beach

Sunniest months:
October 17 days
November 16 days
April 16 days
Warmest months:
July 87.0 °F
August 85.5 °F
June 84.1 °F
Warmest sea temp:
August 83.0 °F
July 82.9 °F
September 80.4 °F
Coldest months:
January 53.9 °F
December 57.6 °F
February 58.4 °F
Rainiest months:
August 5 days
July 4 days
June 3 days
Windiest months:
March 8.9 mph
April 8.5 mph
February 8.5 mph

Myrtle Beach on a weather map

Myrtle Beach
+52°F
W 7 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+77°F
+77°F
+64°F
+66°F
+77°F
+77°F
+72°F
+36°F
+63°F
+57°F
+77°F
+75°F
+75°F
+34°F
24 Hours Forecast
Myrtle Beach
Local time: 19:20
December 20, saturday
2100
52°F
W
8 mph
December 21, sunday
0000
55°F
NW
4 mph
0300
55°F
E
7 mph
0600
57°F
E
8 mph
0900
59°F
E
6 mph
1200
63°F
SE
7 mph
1500
66°F
SE
6 mph
1800
63°F
S
6 mph
Units of measurement: °C / °F