When to go · Cayenne
Cayenne in December
Mixed month. Rains return; holiday travel fills flights.
Key facts
- Verdict
- Mixed
- Temperature
- 31° / 23°
- average high / low
- Rain days
- 15
- Crowds
- Medium
- French Guiana overall
- Prices
- High
- French Guiana overall
Verdict
Rains return; holiday travel fills flights.
Weather in December
- CayenneHighs around 31 °C, lows around 23 °C, rain on about 15 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.
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.
Christmas big impact
25 Dec · French Guiana
Flights full; closures.
Crowds and prices
- Crowds · French Guiana overall
- Medium
- Prices · French Guiana overall
- High
French Guiana overall: Rains begin; Christmas flights full.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast