Weather in May in French Guiana
What is the weather like in French Guiana in May?
The weather in French Guiana in May is generally poor.
You can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 24°C (74°F) in Cayenne. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.
May is a very rainy month with an average rainfall around 450mm (18inch) in Cayenne.
It is also generally a
moderate sunny
month with an average of 119 hours of sunshine in Cayenne during the whole month.
We invite you to have a look at the map below to find out more about the different weather conditions per location in French Guiana.
Where to go in French Guiana in May
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations in French Guiana
What is the weather like in May for the 3 most popular destinations in French Guiana?
Average weather in Cayenne
In May Cayenne generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (74°F) and heavy monthly rainfall. So on average the conditions are poor that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Kourou
In May Kourou generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (74°F) and heavy monthly rainfall. So on average the conditions are poor that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Matoury
In May Matoury generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Is your destination not in the list? Have a look at other destinations in French Guiana.
Is May the best time to go to French Guiana?
In our opinion May is not the best time to visit French Guiana with commonly poor weather in Cayenne.
On average the best time to visit French Guiana is in October and November with generally pleasant weather in Cayenne.
The worst months are January, February, March, April, May, June, July and August that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in French Guiana.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for almost all countries in the world. Are you going to French Guiana? Get detailed historical weather averages for many cities in French Guiana.
Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.