World Resorts USA Myrtle Beach Weather

Myrtle Beach sea water temperature

Current sea water temperature:
+52.3°F
Minimum sea water temperature in January: 58.8°F
Maximum sea water temperature in January: 44.6°F
Average sea water temperature in January: 52.7°F

Sea water temperature for the last 10 days:

January 2 52.3°F December 28 54.5°F
January 1 52.3°F December 27 52.7°F
December 31 53.2°F December 26 53.1°F
December 30 52.9°F December 25 52.0°F
December 29 53.2°F December 24 51.6°F

When is the warmest sea in Myrtle Beach?

Based on the data about daily sea water temperature for the last three years the warmest sea in Myrtle Beach was noticed in August, July and September.

Monthly Sea Temperatures in Myrtle Beach, °F

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.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 81.8°F. The highest and lowest sea temperatures during the month were 85.5°F and 77.0°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.6°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 57.2 °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
+41°F
E 9 mph
Feels like: +36°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+72°F
+72°F
+48°F
+55°F
+46°F
+59°F
+66°F
+19°F
+61°F
+54°F
+46°F
+48°F
+66°F
+14°F
24 Hours Forecast
Myrtle Beach
Local time: 07:07
January 02, friday
0900
43°F
NE
9 mph
1200
61°F
E
11 mph
1500
68°F
NE
12 mph
1800
64°F
NE
11 mph
2100
59°F
NE
9 mph
January 03, saturday
0000
57°F
NE
8 mph
0300
55°F
E
4 mph
0600
55°F
N
4 mph
Units of measurement: °C / °F