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When to go · French Guiana

French Guiana, month by month

The best months for French Guiana: Aug, Sep, Oct, Nov.

Month by month

  1. JanuaryMixedWet; carnival season begins at Epiphany.Coast (Cayenne to Saint-Laurent): rainy · Interior rainforest: rainy · Cayenne: 30° / 23°, 20 rain daysCrowds: Medium · 3 festivals or holidays
  2. FebruaryMixedCarnival peak and Mardi Gras parades; rain.Coast (Cayenne to Saint-Laurent): rainy · Interior rainforest: rainy · Cayenne: 30° / 23°, 17 rain daysCrowds: High · 2 festivals or holidays
  3. MarchGoodShort dry spell ('petit été').Coast (Cayenne to Saint-Laurent): fine · Interior rainforest: fine · Cayenne: 31° / 23°, 15 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilMixedRains return; turtles start nesting; Easter bouillon d'awara.Coast (Cayenne to Saint-Laurent): rainy · Interior rainforest: rainy · Cayenne: 31° / 23°, 17 rain daysCrowds: Low · 2 festivals or holidays
  5. MayMixedWettest weeks; turtles nesting.Coast (Cayenne to Saint-Laurent): rainy · Interior rainforest: rainy · Cayenne: 30° / 23°, 22 rain daysCrowds: Low · 4 festivals or holidays
  6. JuneMixedVery wet; turtle nesting peak.Coast (Cayenne to Saint-Laurent): rainy · Interior rainforest: rainy · Cayenne: 30° / 23°, 21 rain daysCrowds: Low · 3 festivals or holidays
  7. JulyMixedRain easing; French holidays push fares up.Coast (Cayenne to Saint-Laurent): fine · Interior rainforest: fine · Cayenne: 30° / 23°, 15 rain daysCrowds: Medium · 2 festivals or holidays
  8. AugustGreatDry season starts; hatchlings on beaches.Coast (Cayenne to Saint-Laurent): best weather · Interior rainforest: best weather · Cayenne: 31° / 23°, 10 rain daysCrowds: Medium · 4 festivals or holidays
  9. SeptemberGreatDry and sunny; best month overall.Coast (Cayenne to Saint-Laurent): best weather · Interior rainforest: best weather · Cayenne: 32° / 23°, 6 rain daysCrowds: Low · 1 festival or holiday
  10. OctoberGreatDry; good for river trips.Coast (Cayenne to Saint-Laurent): best weather · Interior rainforest: best weather · Cayenne: 32° / 23°, 6 rain daysCrowds: Low · 1 festival or holiday
  11. NovemberGreatDry; rivers low.Coast (Cayenne to Saint-Laurent): best weather · Interior rainforest: fine · Cayenne: 32° / 23°, 9 rain daysCrowds: Low · 3 festivals or holidays
  12. DecemberMixedRains begin; Christmas flights full.Coast (Cayenne to Saint-Laurent): rainy · Interior rainforest: rainy · Cayenne: 31° / 23°, 15 rain daysCrowds: Medium · 1 festival or holiday

Weather by region

How each climate zone rates each month.

Weather rating by region and month
RegionJanFebMarAprMayJunJulAugSepOctNovDec
Coast (Cayenne to Saint-Laurent)Cayenne, Kourou, Sinnamary, Saint-Laurent, Awala-YalimapoWetWetOKWetWetWetOKBestBestBestBestWet
Interior rainforestSaül, Maripasoula, upper Maroni and OyapockWetWetOKWetWetWetOKBestBestBestOKWet