Swimming in Saint-Barthelemy in august 2025 Sea temperature by city in august

Do you want to go to the beach in Saint-Barthelemy in august 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in august in Saint-Barthelemy by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Saint-Barthelemy in august 2025

Here, find the average sea temperature in Saint-Barthelemy in august in several coastal cities.

on average:

85°F

min: 83°F / max: 87°F

Grand Cul-de-Sac

on average:

85°F

min: 83°F / max: 87°F

Colombier (Saint-Barth)

on average:

85°F

min: 83°F / max: 87°F

Chevreau Island

on average:

85°F

min: 83°F / max: 87°F

Fourchue Island

on average:

85°F

min: 83°F / max: 87°F

Frégate Island

on average:

85°F

min: 83°F / max: 87°F

Nikki Beach

on average:

85°F

min: 83°F / max: 87°F

Where should you go swimming in Saint-Barthelemy in the month of august?

Swimming in Saint-Barthelemy in august is ideal

In august in Saint-Barthelemy swimming conditions are generally the same everywhere.

In august in Gustavia, Grand Cul-de-Sac, Colombier (Saint-Barth), Chevreau Island, Fourchue Island, Frégate Island and Nikki Beach, swimming conditions are perfect! With water reaching a maximum of 87°F and an average of 85°F, going in the water (and staying there!) feels great.

Where to go swimming in Saint-Barthelemy in august: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in august

Gustavia

August
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 87°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 8.4in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 41%
Our opinion ideal swimming

More information on swimming in Gustavia in august

Grand Cul-de-Sac

August
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 87°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 8.4in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 41%
Our opinion ideal swimming

Colombier (Saint-Barth)

August
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 87°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 8.4in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 41%
Our opinion ideal swimming

Chevreau Island

August
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 87°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 8.4in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 41%
Our opinion ideal swimming

Fourchue Island

August
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 87°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 8.4in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 41%
Our opinion ideal swimming

List of coastal cities in Saint-Barthelemy

Gustavia in augustideal swimming
Grand Cul-de-Sac in augustideal swimming
Colombier (Saint-Barth) in augustideal swimming
Chevreau Island in augustideal swimming
Fourchue Island in augustideal swimming
Frégate Island in augustideal swimming
Nikki Beach in augustideal swimming
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