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Traveler Guide to Seasons & Weather in French Guiana

Dry Season in French Guiana

The dry season in French Guiana (August to December) is a bit of a misnomer, as it should be called the less rainy season. The driest months are September and October.
Average Temperature °C = 26°C Average Temperature °F = 79°F

Rainy Season in French Guiana

The rainy season in French Guiana lasts from January through July, with rains peaking in May. If you brave the precipitation and visit in February and March, and you’ll be richly rewarded with Carnaval celebrations.
Average Temperature °C = 26°C Average Temperature °F = 78°F