Swimming in French Guyana in august 2025 Sea temperature by city in august
Do you want to go to the beach in French Guyana 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 French Guyana by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in French Guyana in august 2025
Here, find the average sea temperature in French Guyana in august in several coastal cities.
84°F
min: 82°F / max: 86°F
84°F
min: 82°F / max: 86°F
83°F
min: 82°F / max: 85°F
Awala-Yalimapo
83°F
min: 82°F / max: 85°F
Îles du Salut
84°F
min: 82°F / max: 86°F
Iracoubo
83°F
min: 82°F / max: 86°F
Macouria
84°F
min: 82°F / max: 86°F
84°F
min: 82°F / max: 86°F
Saint-Laurent-du-Maroni
84°F
min: 82°F / max: 86°F
Sinnamary
84°F
min: 82°F / max: 86°F
Where should you go swimming in French Guyana in the month of august?
Swimming in French Guyana in august is ideal
In august in French Guyana swimming conditions are generally the same everywhere.
In august in Cayenne, Kourou, Mana, Awala-Yalimapo, Îles du Salut, Iracoubo, Macouria, Rémire-Montjoly, Saint-Laurent-du-Maroni and Sinnamary, 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 French Guyana in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Cayenne
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 5.9in | ||
| Number of days of precipitation | 10 jour(s) (31%) | ||
| Cloud cover | 30% | ||
| Our opinion | ideal swimming |
More information on swimming in Cayenne in august
Kourou
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 6.2in | ||
| Number of days of precipitation | 11 jour(s) (35%) | ||
| Cloud cover | 29% | ||
| Our opinion | ideal swimming |
More information on swimming in Kourou in august
Mana
| August | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 85°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 74°F | ||
| Precipitation | 5.1in | ||
| Number of days of precipitation | 8 jour(s) (27%) | ||
| Cloud cover | 39% | ||
| Our opinion | ideal swimming |
More information on swimming in Mana in august
Awala-Yalimapo
| August | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 85°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 92°F | ||
| Minimum outside temperature | 74°F | ||
| Precipitation | 5.1in | ||
| Number of days of precipitation | 8 jour(s) (27%) | ||
| Cloud cover | 39% | ||
| Our opinion | ideal swimming |
Îles du Salut
| August | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 6.2in | ||
| Number of days of precipitation | 11 jour(s) (35%) | ||
| Cloud cover | 29% | ||
| Our opinion | ideal swimming |
List of coastal cities in French Guyana
| Cayenne in august | ideal swimming |
| Kourou in august | ideal swimming |
| Mana in august | ideal swimming |
| Awala-Yalimapo in august | ideal swimming |
| Îles du Salut in august | ideal swimming |
| Iracoubo in august | ideal swimming |
| Macouria in august | ideal swimming |
| Rémire-Montjoly in august | ideal swimming |
| Saint-Laurent-du-Maroni in august | ideal swimming |
| Sinnamary in august | ideal swimming |