World Resorts USA Myrtle Beach Weather

Myrtle Beach Sea Temperature in August

Average sea water temperature in August:
+83.0°F
Minimum sea water temperature in August: 86.0°F
Maximum sea water temperature in August: 79.9°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 83.1°F. The highest and lowest sea temperatures during the month were 86.0°F and 81.9°F.

Monthly sea water temperature in Myrtle Beach, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Cape Coral 88.7°F 86.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°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
+63°F
NE 13 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+75°F
+75°F
+68°F
+61°F
+79°F
+77°F
+68°F
+37°F
+63°F
+55°F
+84°F
+82°F
+82°F
+55°F
24 Hours Forecast
Myrtle Beach
Local time: 15:05
December 23, tuesday
1800
63°F
NE
9 mph
2100
63°F
E
9 mph
December 24, wednesday
0000
61°F
E
10 mph
0300
59°F
E
11 mph
0600
57°F
E
10 mph
0900
57°F
SE
8 mph
1200
59°F
S
8 mph
1500
63°F
S
7 mph
Units of measurement: °C / °F