Weather in Cayenne in December
Cayenne, French Guiana averages a high of 28.3°C (82.9°F) and low of 23.6°C (74.5°F) in December, with 26 rain days and 9.4 hours of daily sunshine. Travel score: 65.4/100 (Good). The best time to visit Cayenne is September.
High
28°C83°F
Low
24°C74°F
🌧️
26
rain days
☀️
9.4
hrs/day sunshine
💧
87%
humidity
65— Good
December in Cayenne is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Cayenne?
How much does it rain in Cayenne in December?
Cayenne receives an average of 283.9mm of rainfall across 26 rainy days in December. The annual total is 2795.5mm.
What should I pack for Cayenne in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧥
Waterproof jacket
Frequent rain expected (26 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to French Guiana in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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What is the weather like in other months in Cayenne?
Data based on 1994–2024 averages · Last updated: 2024-12-31