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

MonthWhat startsCrowds
JanuaryCarnaval de GuyaneBusy
FebruaryPetit été de marsBusy
MarchLeatherback nestingShoulder season
April—Quiet
May—Quiet
JuneAbolition of slavery dayBusy
July—Shoulder season
AugustThe long dry seasonBusy
September—Busy
October—Busy
November—Shoulder season
December—Shoulder season

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 FebCarnivalCrowded

    Six 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 season

    A 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 nesting

    Leatherbacks 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 holidayClosures

    A 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 · usually

    The 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.

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