Discover French Guiana
Very few tourists make it to this small South American country. It's a shame, because nature in French Guiana is still pure and unspoiled.
Cayenne Weather in December
Cayenne in December sees high temperatures, with highs around 30°C (86°F) and overnight lows of 24°C (75°F). With the rainy season in full effect, expect around 268 mm (11 in) of rainfall and regular showers throughout the month.
Rainfall in Cayenne in December
As part of the rainy season, Cayenne sees around 18 days of rain in December, with an average of 268 mm (11 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Cayenne in December
December in Cayenne brings high temperatures, with highs of 30°C (86°F) and nights around 24°C (75°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Cayenne in December
The month brings about 140 hours of sunlight, offering a comfortable mix of sun and rainy moments.December in Cayenne has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Cayenne Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
60%
Precipitation
268 mm (11 in)
Rainy days
18 days
Sunshine
140 hours
Percentage Sunshine
Cayenne Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cayenne - and find the best time to visit.
Best Places in French Guiana in December
Find out more about the weather in French Guiana and which places have the best travel conditions in this month. See all of French Guiana in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cayenne in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Cayenne in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Cayenne 3-Day Forecast
More climate data for Cayenne
See the full Cayenne climate overview or explore weather in French Guiana.
Popular in December
Where to go in December - average daytime high across popular destinations.
Bucket list
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