When to go · Cayenne
Cayenne in June
Avoid month. Long rainy season.
Key facts
- Verdict
- Avoid
- Temperature
- 30° / 23°
- average high / low
- Rain days
- 21
- Crowds
- Low
- French Guiana overall
- Prices
- Low
- French Guiana overall
Verdict
Long rainy season.
Weather in June
- CayenneHighs around 30 °C, lows around 23 °C, rain on about 21 days
- Coast (Cayenne to Saint-Laurent), French Guiana · Cayenne, Kourou, Sinnamary, Saint-Laurent, Awala-Yalimaporainy
Hot and humid, 23–32 °C. Dry season mid-August–November; the 'petit été de mars' brings a short drier break in March; heaviest rain April–June.
Long rainy season season
Green, humid, with a possible short drier spell in Feb–Mar; Carnival runs through Jan–Feb regardless of rain.
Watch: Frequent showers; flooded low spots after heavy rain.
Sea-turtle nesting season
Leatherback and green turtles nest on beaches near Cayenne; guided night visits are the responsible way to see it.
Watch: Confirm current-year dates and any beach access restrictions locally.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Abolition of Slavery Day
10 June · Guyane, especially Cayenne
Regional public holiday with ceremonies in the centre; some closures.
Sea-turtle nesting season check
Roughly April to August, peak varies by species · Beaches near Cayenne and further along the coast
Guided night visits become possible; independent access to nesting beaches may be restricted at night — confirm locally.
Crowds and prices
- Crowds · French Guiana overall
- Low
- Prices · French Guiana overall
- Low
French Guiana overall: Very wet; turtle nesting peak.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast