World Resorts USA Myrtle Beach Weather

Myrtle Beach Sea Temperature in May

Average sea water temperature in May:
+72.4°F
Minimum sea water temperature in May: 77.5°F
Maximum sea water temperature in May: 65.5°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 72.0°F. The highest and lowest sea temperatures during the month were 77.5°F and 65.5°F.

Monthly sea water temperature in Myrtle Beach, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Corpus Christi 79.5°F 80.9°F
Kailua Kona 79.4°F 79.1°F
South Padre Island 79.1°F 80.0°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F

Best time for vacation in Myrtle Beach

Sunniest months:
October 17 days
April 17 days
November 16 days
Warmest months:
July 87.8 °F
August 85.7 °F
June 84.7 °F
Warmest sea temp:
August 83.1 °F
July 83.1 °F
September 80.6 °F
Coldest months:
January 53.8 °F
December 57.2 °F
February 57.8 °F
Rainiest months:
August 5 days
June 3 days
September 3 days
Windiest months:
March 8.9 mph
February 8.7 mph
April 8.7 mph

Myrtle Beach on a weather map

Myrtle Beach
+45°F
SE 7 mph
Feels like: +41°F
Precip.: 5%
Places in USA:
Name
°F
+34°F
+37°F
+70°F
+61°F
+61°F
+64°F
+63°F
+39°F
+63°F
+55°F
+61°F
+59°F
+55°F
+63°F
+37°F
24 Hours Forecast
Myrtle Beach
Local time: 01:55
November 14, saturday
0300
45°F
SE
7 mph
0600
43°F
SE
7 mph
0900
48°F
S
7 mph
1200
55°F
SE
9 mph
1500
57°F
SE
10 mph
1800
50°F
SE
7 mph
2100
46°F
SE
6 mph
November 15, sunday
0000
43°F
S
7 mph
Units of measurement: °C / °F