When to go · French Guiana
French Guiana in May
Mixed month. Wettest weeks; turtles nesting.
Key facts
- Verdict
- Mixed
- Crowds
- Low
- French Guiana
- Prices
- Low
- French Guiana
Verdict
Wettest weeks; turtles nesting.
Is another month better than May?
May is rated mixed. These months rate higher:
Weather in May
- Coast (Cayenne to Saint-Laurent) · Cayenne, Kourou, Sinnamary, Saint-Laurent, Awala-Yalimaporainy
Hot and humid, 23–32 °C (73–90 °F). Dry season mid-August–November; the 'petit été de mars' brings a short drier break in March; heaviest rain April–June.Hot and humid, 73–90 °F (23–32 °C). Dry season mid-August–November; the 'petit été de mars' brings a short drier break in March; heaviest rain April–June.
- Interior rainforest · Saül, Maripasoula, upper Maroni and Oyapockrainy
Wetter; river levels drop from September, which makes some rapids harder for canoes by November.
- Cayenne30 °C (86 °F) / 23 °C (73 °F), 22 rain days86 °F (30 °C) / 73 °F (23 °C), 22 rain days
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.
Labour Day
1 May
Closures.
Victory in Europe Day
8 May
Closures.
Ascension and Whit Monday
May–Jun (varies)
Closures.
Sea-turtle nesting season check
Roughly April to August, peak varies by species · Cayenne
Guided night visits become possible; independent access to nesting beaches may be restricted at night — confirm locally.
Crowds and prices
- Crowds · French Guiana
- Low
- Prices · French Guiana
- Low
Compare two months
Weather, crowds and prices for any two months in French Guiana, side by side.
Verdict
May: Mixed
Aug: Great (better)
Crowds
May: Low
Aug: Medium
Prices
May: Low
Aug: High
Festivals listed
May: 4
Aug: 4
May: Wettest weeks; turtles nesting.
August: Dry season starts; hatchlings on beaches.
French Guiana: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast
Where to go in May
Better another month
Long rainy season; heavy rain and flooded roads.