Swimming in Hilton Head Island in august 2025: Average sea temperature in august and tide times in august 2025

Average sea temperature in Hilton Head Island in august 2025.

In august, according to seasonal norms, the sea temperature in Hilton Head Island is:

Minimum: 81°F

Average: 84°F

Maximum: 87°F

Other useful seasonal weather averages in august:

  • Outside temperature: 79°F to 88°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 16.2mph
  • It rains a total of 12in, over 19 day(s).

Should we swim in Hilton Head Island in august?

Yes! The water temperature in Hilton Head Island in august is ideal

In august, swimming is ideal on the beaches around Hilton Head Island! With water reaching 87°F at most and 84°F on average, spending time in the water is very pleasant.

Note also that in august, the climate is tolerable with an average outside temperature of 83°F, 12in of precipitation (over 19 days) and 83.11 % humidity.

Water and normal seasonal temperatures in Hilton Head Island in august

August
Average sea temperature 84°F
Minimum sea temperature 81°F
Maximum sea temperature 87°F
Average outside temperature 85°F
Maximum outside temperature 88°F
Minimum outside temperature 79°F
Wind speed 10.6mph
Wind temperature 79°F
Precipitation 12in
Number of days of rain 19 jour(s)
(62%)
Humidity 84%
Visibility in kilometers 9.14km
Cloud cover 27%
Our opinion ideal swimming

Chart of the tides in august 2025

Tide times in august 2025 in Hilton Head Island

Swim elsewhere in the United States (USA) in august

City Average T° Max. T° Our opinion
California in august68°F71°Fcool swimming
Washington D. C. in august79°F81°Fpleasant swimming
Boston in august68°F71°Fcool swimming
Miami (Florida) in august87°F88°Fideal swimming
New York City in august74°F78°Fpleasant swimming
Seattle in august54°F56°Ffreezing swimming
Houston in august87°F90°Fideal swimming
Long Beach (Washington) in august58°F61°Ffreezing swimming
Myrtle Beach in august83°F85°Fideal swimming
Philadelphia in august77°F81°Fpleasant swimming
Portland in august57°F60°Ffreezing swimming
Atlantic City in august77°F82°Fpleasant swimming
Baltimore in august78°F81°Fpleasant swimming
Bar Harbor (Maine) in august57°F62°Ffreezing swimming
Brooklyn in august74°F78°Fpleasant swimming
Cape Cod National Seashore in august68°F71°Fcool swimming
Carolina Beach in august83°F85°Fideal swimming
Gulf Shores (Alabama) in august87°F90°Fideal swimming
Hampton Beach in august67°F70°Fcool swimming
Maryland in august78°F80°Fpleasant swimming
Mobile (Alabama) in august87°F89°Fideal swimming

Swim in the United States (USA) in august: sea temperature by city

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