French Guiana
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Mana, French Guiana

The perfect water temperature of 28.1°C (82.6°F) makes Octubre a great period for swimming and other water activities in Mana, French Guiana.

Sea temperature

In Mana, in Octubre, the average water temperature is 28.1°C (82.6°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.


The average length of the day in Octubre is 12h.

How warm is the water in Octubre in Mana?

In Mana, French Guiana, the average seawater temperature in Octubre is 28.1°C (82.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Mana have in Octubre?

The average length of the day in Octubre is 12h.
Average sea temperature in October - Mana, French Guiana
  • Average sea temperature in October: 28.1°C

Best months for swimming (with the highest average sea temperature) are July and August (28.4°C).
The coldest month (with the lowest average sea temperature) is February (27°C).

Average daylight in October - Mana, French Guiana
  • Average daylight in October: 12h

Months with the longest days are May, June and July (Average daylight: 12.4h).
Months with shortest days are January and December (Average daylight: 11.8h).