What's on in Cayenne (French Guiana), French Guiana through the year
Cayenne, French Guiana has 5 curated events through the year — 1 festival, 1 natural spectacle, 1 holiday and 2 seasons. The ones to plan around: Carnaval de Guyane (January) and Leatherback nesting (March).
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Best time to visit Cayenne (French Guiana): weather, crowds and notes →
Cayenne (French Guiana) events and crowds by month
January in Cayenne (French Guiana)
Cayenne (French Guiana) weather in January →Busy — Carnaval de Guyane, school holidays in 4 of the markets that fill it
- Festival
Carnaval de Guyane
6 Jan – 18 FebCarnivalCrowdedSix weeks rather than a weekend: Sunday parades through Cayenne and, on Saturday nights, the touloulou balls where masked women in full costume pick the men to dance and nobody may refuse. It ends with Vaval burned. Source ↗
February in Cayenne (French Guiana)
Cayenne (French Guiana) weather in February →Busy — Carnaval de Guyane, school holidays in 3 of the markets that fill it
- Season
Petit été de mars
15 Feb – 31 Mar · usuallyDry seasonA short break between the two rainy seasons that locals plan around — a few weeks of drier days before the heavy rains return in April. It moves by a fortnight either way and some years barely shows up. Source ↗
Still on: Carnaval de Guyane (6 Jan – 18 Feb)
March in Cayenne (French Guiana)
Cayenne (French Guiana) weather in March →Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month
- Nature
Leatherback nesting
1 Mar – 31 Aug · usuallyTurtle nestingLeatherbacks haul out at night on the beaches at Rémire-Montjoly and, in far greater numbers, on the reserve beaches west towards Awala-Yalimapo. Hatchlings run for the water from around June. Source ↗
Still on: Carnaval de Guyane (6 Jan – 18 Feb), Petit été de mars (15 Feb – 31 Mar (usually))
April in Cayenne (French Guiana)
Cayenne (French Guiana) weather in April →Quiet — one of its worst months for weather
Nothing new starts in April.
Still on: Leatherback nesting (1 Mar – 31 Aug (usually))
May in Cayenne (French Guiana)
Cayenne (French Guiana) weather in May →Quiet — one of its worst months for weather
Nothing new starts in May.
Still on: Leatherback nesting (1 Mar – 31 Aug (usually))
June in Cayenne (French Guiana)
Cayenne (French Guiana) weather in June →Busy — Abolition of slavery day, school holidays in 2 of the markets that fill it
- Holiday
Abolition of slavery day
10 JunNational holidayClosuresA public holiday marking the 1848 proclamation read in Cayenne, with ceremonies at the memorial, marches and talks across the territory. Offices and many shops close. Source ↗
Still on: Leatherback nesting (1 Mar – 31 Aug (usually))
July in Cayenne (French Guiana)
Cayenne (French Guiana) weather in July →Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month
Nothing new starts in July.
Still on: Leatherback nesting (1 Mar – 31 Aug (usually))
August in Cayenne (French Guiana)
Cayenne (French Guiana) weather in August →Busy — one of its best months for weather
- Season
The long dry season
15 Aug – 15 Nov · usuallyThe most settled months, when forest trails dry out and the rivers up to Amerindian and Maroon villages are easier going. The best window for the Iles du Salut and inland trips, though turtle nesting is over by then.
Still on: Leatherback nesting (1 Mar – 31 Aug (usually))
September in Cayenne (French Guiana)
Cayenne (French Guiana) weather in September →Busy — school holidays in 2 of the markets that fill it, one of its best months for weather
Nothing new starts in September.
Still on: The long dry season (15 Aug – 15 Nov (usually))
October in Cayenne (French Guiana)
Cayenne (French Guiana) weather in October →Busy — one of its best months for weather
Nothing new starts in October.
Still on: The long dry season (15 Aug – 15 Nov (usually))
November in Cayenne (French Guiana)
Cayenne (French Guiana) weather in November →Shoulder season — an ordinary month
Nothing new starts in November.
Still on: The long dry season (15 Aug – 15 Nov (usually))
December in Cayenne (French Guiana)
Cayenne (French Guiana) weather in December →Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month
Nothing new starts in December.