Average sea water temperature in April:
+68.3°F
| Minimum sea water temperature in April: | 74.5°F |
| Maximum sea water temperature in April: | 62.1°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 68.5°F. The highest and lowest sea temperatures during the month were 71.8°F and 63.5°F.
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| Hilton Head Island |
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| Hilton Head Island |
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| Hilton Head Island |
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| Hilton Head Island |
Monthly sea water temperature in Hilton Head Island, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| West Palm Beach | 78.2°F | 78.3°F |
| Key West | 78.2°F | 78.0°F |
| Fort Lauderdale | 78.1°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Miami | 77.5°F | 77.9°F |
| Honolulu | 76.5°F | 77.4°F |
| Hawaii | 76.2°F | 77.3°F |
| Maui | 75.9°F | 76.6°F |
| Kauai | 75.9°F | 74.9°F |
| Naples | 75.8°F | 77.0°F |
| Tampa | 75.3°F | 76.6°F |
| Cocoa Beach | 75.0°F | 75.1°F |
| Oahu | 74.9°F | 76.4°F |
| Clearwater Beach | 74.7°F | 75.6°F |
| Houston | 74.5°F | 73.7°F |
| Sarasota | 74.2°F | 76.0°F |
| Siesta Key | 73.8°F | 75.7°F |
| New Orleans | 72.6°F | 72.1°F |
| Orlando | 72.3°F | 72.8°F |
| St. George Island | 72.3°F | 72.8°F |
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: 16:06
August 10, monday
1800
88°F
N
13 mph
13 mph
2100
84°F
NE
15 mph
15 mph
August 11, tuesday
0000
82°F
NE
12 mph
12 mph
0300
81°F
NE
12 mph
12 mph
0600
79°F
E
9 mph
9 mph
0900
82°F
E
7 mph
7 mph
1200
91°F
NE
7 mph
7 mph
1500
93°F
NE
11 mph
11 mph
