Cayenne weather in December (French Guiana)

Thinking of visiting Cayenne in December? Check the weather first! Check out this detailed guide to the month’s weather conditions.

Temperatures

In December, Cayenne tends to experience very high temperatures and heavy rainfall. You can expect daytime temperatures to reach around 30°C, while the nights will see a decline to about 24°C. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.

Precipitation

Cayenne in December falls under the rainy season with heavy rainfall, averaging around 270 mm for the month. Looking at the last 30 years, the data shows about 18 days with rain.

Average sunshine

The month brings about 152 hours of sunlight, offering a comfortable mix of sun and shade.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Cayenne. September and October typically offer the best circumstances. While April, May, June, July and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Cayenne climate page with graphs.

 

Cayenne, monthly averages in December

Min Temperature 24°C  

Max Temperature 30°C  

Water Temperature 28°C  

Chance of Rain 60%  

Precipitation 270 mm  

Rainy days 18 days  

Humidity 80%  

Windspeed 11 km/h  

Sunshine 152 hours  

Percentage Sunshine  

Where to go 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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 28°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Cayenne.

Our site offers climate and forecast data for every country in the world. Are you going to French Guiana? On this website you can find historical weather averages for many cities in French Guiana. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.