World sea water temperatures

Water temperature in Hilton Head Island (SC) in April

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Is it warm enough to swim in Hilton Head Island in April? Average water temperature in Hilton Head Island in April is 66.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Hilton Head Island in April is 73.8°F, and the coldest is 57.6°F. Average high air temperature in Hilton Head Island in April is 71°F, and average low temperature is 54°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Hilton Head Island

Changes water temperature in Hilton Head Island in April 2025, 2024

To get an accurate forecast for the water temperature in Hilton Head Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Hilton Head Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 164°F62.6°F57.6°F68°F
April 265.3°F63°F58.5°F68°F
April 365.1°F64.6°F59°F68.4°F
April 466.9°F63.3°F58.6°F68.9°F
April 566.9°F63.5°F58.8°F69.1°F
April 669.1°F63°F59°F69.4°F
April 767.8°F63°F60.4°F70°F
April 869.4°F63.3°F60.8°F69.4°F
April 968°F64.8°F60.8°F70°F
April 1067.6°F65.1°F61.3°F69.8°F
April 1168.2°F66.7°F60.8°F68.4°F
April 1268.2°F65.8°F62.1°F68.4°F
April 1367.8°F65.8°F62.6°F69.1°F
April 1468°F66.2°F62.8°F69.8°F
April 1568°F67.1°F63.3°F70°F
Day 2025 2024 Min Max
April 1667.8°F67.8°F63.5°F70.5°F
April 1767.8°F68°F63.5°F70.7°F
April 1868.9°F69.3°F63°F70.9°F
April 1969.4°F69.8°F63.9°F71.6°F
April 2069.4°F70.5°F63.9°F72.7°F
April 2169.6°F70.3°F63.9°F72.9°F
April 2269.8°F68.4°F64°F73°F
April 2370.9°F67.8°F64.2°F73°F
April 2471.2°F67.8°F64.4°F72.7°F
April 2572.3°F68.9°F65.5°F72.5°F
April 2673°F69.1°F66°F73°F
April 2773°F68.5°F66.2°F73°F
April 2872.7°F69.8°F66.9°F72.9°F
April 2972.3°F70.5°F66.7°F72.9°F
April 3072.7°F70.7°F67.3°F73.8°F
Hilton Head Island water temp chart in April

Average water temperature in Hilton Head Island in April over a decade

20162017201820192020
66.4°F69.6°F63.5°F66.4°F69.1°F
20212022202320242025
65.8°F68.4°F68.5°F66.7°F69.1°F

Hilton Head Island sea state in April

Chart comparing the height of waves in Hilton Head Island in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Hilton Head Island in April

Weather and climate in Hilton Head Island in April

This data display average monthly climate indicators in Hilton Head Island in April based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature71°F
  • Average LOW temperature54°F
  • Average rainfall days7 days
  • Average rainfall76mm/3''
  • Average daylight13h
  • Average sunshine9h
  • Average UV index9

Hilton Head Island water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Palmetto Dunes66.7°F57.6°F73.8°F
North Forest Beach66.7°F57.6°F73.8°F
Coligny Beach66.7°F57.6°F73.8°F
Beaufort66.9°F57.7°F74.5°F
Daufuskie Island66.7°F57.7°F73.9°F
Fripp Island66.4°F57.9°F73.8°F
Hunting Island66.4°F57.9°F73.9°F
Harbor Island66.6°F57.9°F73.9°F
St. Helena Island66.6°F57.7°F74.1°F
Edisto Island66.2°F57.7°F73.8°F

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Hilton Head Island has a "Blue Flag" [1] award

Dog-friendly place

This place is suitable for families with children

Hilton Head Island has a nudist beach

Current rating: 4,9 (7 votes cast)

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Hilton Head Island is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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