When to go · Cayenne
Cayenne in December
Mixed month. Rains return; holiday travel fills flights.
Key facts
- Verdict
- Mixed
- Temperature
- 31°C (88°F)88°F (31°C) / 23°C (73°F)73°F (23°C)
- average high / low
- Rain days
- 15
- Crowds
- Medium
- French Guiana overall
- Prices
- High
- French Guiana overall
Verdict
Rains return; holiday travel fills flights.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than December?
December is rated mixed. These months rate higher:
Weather in December
- CayenneHighs around 31 °C (88 °F), lows around 23 °C (73 °F), rain on about 15 daysHighs around 88 °F (31 °C), lows around 73 °F (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 (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.
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.
Compare two months
Weather, crowds and prices for any two months in Cayenne, side by side.
Verdict
Dec: Mixed
Aug: Great (better)
Daytime high
Dec: 31 °C (88 °F)88 °F (31 °C)
Aug: 31 °C (88 °F)88 °F (31 °C)
Night low
Dec: 23 °C (73 °F)73 °F (23 °C)
Aug: 23 °C (73 °F)73 °F (23 °C)
Rain days
Dec: 15
Aug: 10 (better)
Crowds
Dec: Medium
Aug: Medium
Prices
Dec: High
Aug: High
Festivals listed
Dec: 1
Aug: 3
December: Rains return; holiday travel fills flights.
August: Dry season starts; best weather.
Cayenne: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast