French Guiana weather in May
What is the weather like in French Guiana in May?
The weather conditions in French Guiana in May are generally poor.
During May in French Guiana the average maximum daytime temperatures are high and range from 27°C (81°F) in Kourou to 30°C (85°F) in Matoury.
Precipitation in May varies from heavy in Maripasoula with an average of 400mm (16 inches) of rainfall to heavy in Cayenne with 521mm (20 inches).
It is the wettest month of the year in Kourou.
It is also generally a
moderately sunny
time of year with an average of 119 hours of sunshine in Kourou during the entire month.
We invite you to have a look at the map below to discover more about the various weather conditions around French Guiana.
Where to go in French Guiana in May





Popular destinations in French Guiana
What is the weather like in May for the 5 most popular destinations in French Guiana?
Average weather in Kourou
In May Kourou generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.
Average weather in Matoury
In May Matoury generally has high temperatures with maximum daytime temperatures around 30°C (85°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.
Average weather in Cayenne
In May Cayenne generally has high temperatures with maximum daytime temperatures around 30°C (85°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.
Average weather in Maripasoula
In May Maripasoula generally has high temperatures with maximum daytime temperatures around 30°C (85°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.
Average weather in Saint Georges
In May Saint Georges generally has high temperatures with maximum daytime temperatures around 29°C (85°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.
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 Kourou.
On average the best time to visit French Guiana is in August, September and October with generally perfect weather in Kourou.
The worst months are January, March, April, May, June and December 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.