Current sea water temperature:
+82.6°F
| Minimum sea water temperature in June: | 86.5°F |
| Maximum sea water temperature in June: | 70.9°F |
| Average sea water temperature in June: | 81.0°F |
| more information | |
14 days
forecast
forecast
| Hilton Head Island |
monthly
weather
weather
| Hilton Head Island |
Sea water temperature for the last 10 days:
| June 26 | 82.6°F | June 21 | 81.7°F |
| June 25 | 82.6°F | June 20 | 81.7°F |
| June 24 | 82.9°F | June 19 | 82.2°F |
| June 23 | 83.7°F | June 18 | 82.6°F |
| June 22 | 81.3°F | June 17 | 82.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Hilton Head Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hilton Head Island was noticed in August, July and September.
Monthly Sea Temperatures in Hilton Head Island, °F
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.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 88.3°F and 83.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 81.5°F and 77.2°F.
current
weather
weather
| Hilton Head Island |
weather in
July
July
| Hilton Head Island |
Best time for vacation in Hilton Head Island
Hilton Head Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilton Head Island
Local time: 18:20
June 26, friday
2100
82°F
N
12 mph
12 mph
June 27, saturday
0000
79°F
NE
11 mph
11 mph
0300
79°F
NE
9 mph
9 mph
0600
77°F
NE
9 mph
9 mph
0900
82°F
NE
6 mph
6 mph
1200
86°F
N
9 mph
9 mph
1500
84°F
N
14 mph
14 mph
1800
84°F
N
12 mph
12 mph
