Swimming in Dominica in august 2025 Sea temperature by city in august
Do you want to go to the beach in Dominica 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 Dominica by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Dominica in august 2025
Here, find the average sea temperature in Dominica in august in several coastal cities.
84°F
min: 82°F / max: 86°F
Berekua
84°F
min: 83°F / max: 87°F
Marigot (Dominica)
84°F
min: 82°F / max: 87°F
Portsmouth
84°F
min: 83°F / max: 87°F
Rosalie
84°F
min: 82°F / max: 87°F
Saint-Joseph (Dominica)
85°F
min: 83°F / max: 87°F
Castle Bruce
85°F
min: 83°F / max: 87°F
Mahaut
84°F
min: 82°F / max: 87°F
Wesley
84°F
min: 82°F / max: 87°F
Where should you go swimming in Dominica in the month of august?
Swimming in Dominica in august is ideal
In august in Dominica swimming conditions are generally the same everywhere.
In august in Roseau, Berekua, Marigot (Dominica), Portsmouth, Rosalie, Saint-Joseph (Dominica), Castle Bruce, Mahaut and Wesley, swimming conditions are perfect! With water reaching a maximum of 86°F and an average of 84°F, going in the water (and staying there!) feels great.
Where to go swimming in Dominica in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Roseau
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 8.1in | ||
| Number of days of precipitation | 10 jour(s) (33%) | ||
| Cloud cover | 39% | ||
| Our opinion | ideal swimming |
More information on swimming in Roseau in august
Berekua
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 7.1in | ||
| Number of days of precipitation | 9 jour(s) (29%) | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
Marigot (Dominica)
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 8.3in | ||
| Number of days of precipitation | 11 jour(s) (35%) | ||
| Cloud cover | 42% | ||
| Our opinion | ideal swimming |
Portsmouth
| August | |||
| Average sea temperature | 84°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 | 7.4in | ||
| Number of days of precipitation | 9 jour(s) (29%) | ||
| Cloud cover | 41% | ||
| Our opinion | ideal swimming |
Rosalie
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 7.1in | ||
| Number of days of precipitation | 9 jour(s) (29%) | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
List of coastal cities in Dominica
| Roseau in august | ideal swimming |
| Berekua in august | ideal swimming |
| Marigot (Dominica) in august | ideal swimming |
| Portsmouth in august | ideal swimming |
| Rosalie in august | ideal swimming |
| Saint-Joseph (Dominica) in august | ideal swimming |
| Castle Bruce in august | ideal swimming |
| Mahaut in august | ideal swimming |
| Wesley in august | ideal swimming |