French Guiana Sea Temperatures

We track the current and average sea water temperatures for 4 locations in French Guiana. Search the list below to find the place you're looking for.

The place with the highest sea temperature in French Guiana today is 27.66° C (81.8° F) in Cayenne. The lowest is in Mana, where the temperature of the water is 27.58° C (81.65° F).