Swimming in Saint Lucia in august 2025 Sea temperature by city in august
Do you want to go to the beach in Saint Lucia 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 Lucia by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Saint Lucia in august 2025
Here, find the average sea temperature in Saint Lucia in august in several coastal cities.
85°F
min: 82°F / max: 87°F
85°F
min: 83°F / max: 87°F
Anse-La-Raye
85°F
min: 83°F / max: 87°F
Choiseul
85°F
min: 83°F / max: 87°F
Dennery
85°F
min: 83°F / max: 86°F
Gros Islet
84°F
min: 83°F / max: 86°F
Laborie
85°F
min: 83°F / max: 86°F
Micoud
85°F
min: 83°F / max: 86°F
Vieux Fort
85°F
min: 83°F / max: 86°F
Praslin Bay
85°F
min: 83°F / max: 86°F
Where should you go swimming in Saint Lucia in the month of august?
Swimming in Saint Lucia in august is ideal
In august in Saint Lucia swimming conditions are generally the same everywhere.
In august in Castries, Soufrière, Anse-La-Raye, Choiseul, Dennery, Gros Islet, Laborie, Micoud, Vieux Fort and Praslin Bay, 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 Lucia in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Castries
| August | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 85°F | ||
| Precipitation | 6.6in | ||
| Number of days of precipitation | 10 jour(s) (32%) | ||
| Cloud cover | 44% | ||
| Our opinion | ideal swimming |
More information on swimming in Castries in august
Soufrière
| August | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 6.1in | ||
| Number of days of precipitation | 10 jour(s) (32%) | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
More information on swimming in Soufrière in august
Anse-La-Raye
| August | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 85°F | ||
| Precipitation | 6.6in | ||
| Number of days of precipitation | 10 jour(s) (32%) | ||
| Cloud cover | 44% | ||
| Our opinion | ideal swimming |
Choiseul
| August | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 6.1in | ||
| Number of days of precipitation | 10 jour(s) (32%) | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
Dennery
| August | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 86°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 85°F | ||
| Precipitation | 6.6in | ||
| Number of days of precipitation | 10 jour(s) (32%) | ||
| Cloud cover | 44% | ||
| Our opinion | ideal swimming |
List of coastal cities in Saint Lucia
| Castries in august | ideal swimming |
| Soufrière in august | ideal swimming |
| Anse-La-Raye in august | ideal swimming |
| Choiseul in august | ideal swimming |
| Dennery in august | ideal swimming |
| Gros Islet in august | ideal swimming |
| Laborie in august | ideal swimming |
| Micoud in august | ideal swimming |
| Vieux Fort in august | ideal swimming |
| Praslin Bay in august | ideal swimming |