World Resorts USA Hilton Head Island Weather

Hilton Head Island Sea Temperature in August

Average sea water temperature in August:
+85.2°F
Minimum sea water temperature in August: 88.9°F
Maximum sea water temperature in August: 80.8°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 88.9°F and 81.9°F.

Monthly sea water temperature in Hilton Head Island, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Key West 88.8°F 87.8°F
Naples 88.7°F 87.0°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
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
West Palm Beach 86.8°F 86.2°F
Cocoa Beach 86.8°F 84.5°F
Pensacola Beach 86.6°F 87.4°F
St. George Island 86.5°F 86.8°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Fort Walton Beach 86.0°F 86.8°F
Santa Rosa Beach 85.9°F 86.8°F
Hilton Head Island 85.0°F 84.0°F

Best time for vacation in Hilton Head Island

Sunniest months:
October 17 days
November 15 days
December 15 days
Warmest months:
July 88.0 °F
August 85.5 °F
June 84.8 °F
Warmest sea temp:
July 85.3 °F
August 85.1 °F
September 81.6 °F
Coldest months:
January 55.6 °F
December 58.8 °F
February 59.8 °F
Rainiest months:
August 5 days
July 4 days
September 3 days
Windiest months:
January 8.3 mph
February 8.2 mph
April 8.2 mph

Hilton Head Island on a weather map

Hilton Head Island
+93°F
N 14 mph
Feels like: +115°F
Precip.: 6%
Places in USA:
Name
°F
+84°F
+99°F
+81°F
+109°F
+93°F
+95°F
+77°F
+93°F
+95°F
+75°F
+63°F
+84°F
+88°F
+93°F
+72°F
24 Hours Forecast
Hilton Head Island
Local time: 16:06
August 10, monday
1800
88°F
N
13 mph
2100
84°F
NE
15 mph
August 11, tuesday
0000
82°F
NE
12 mph
0300
81°F
NE
12 mph
0600
79°F
E
9 mph
0900
82°F
E
7 mph
1200
91°F
NE
7 mph
1500
93°F
NE
11 mph
Units of measurement: °C / °F