French Guiana in august: average Weather, Temperature and Climate, Where to go?
Weather in French Guyana in august 2025
In this section, you have access to the weather forecast for august for most popular cities in French Guiana. These forecasts are statistics for august from weather reports for many years. The percentage indicates the possibility of having the weather mentioned.
Average weather in august in Cayenne
good weather UV index: 7
Weather at 6am
77°F
Partly Cloudy
36% of time
31%
26%
4%
Weather at 12pm
88°F
Clear/Sunny
51% of time
26%
18%
5%
Weather at 6pm
83°F
Clear/Sunny
43% of time
39%
9%
6%
Weather at 3am
77°F
31%
31%
27%
10%
Where to go in French Guyana in august?
Where to go in French Guyana in august: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in French Guyana in august when it comes to the weather?
Remember:
The climate in French Guyana in august is good across the board.
You are lucky: Although it is not perfect the weather in French Guiana that month is good in Saint-Laurent-du-Maroni and Awala-Yalimapo. I allows to savor tours in these locations. And even why not take a little time to relax under the sun!
If you do not go the sun and blue sky, but, for example for hiking, the cities of Maripasoula, Sinnamary, Kourou, Roura and Cayenne have a ok but correct weather for it in august.
Climate in French Guyana in august
Climate in Cayenne in august
In august, maximum temperature is 88°F and minimum temperature is 77°F (for an average temperature of 83°F). The climate is very hot in this city in august. With 5.9in over 10 days, you will experience some showers for your stay. But this is rather reasonably and you will not be too bothered by it.
With a correct weather, august is okay (but not good time) for traveling there.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 5.9in | ||
| Number of days with rainfall | 10 day(s) (31%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 30% | ||
| Length of day | 12:17 | ||
| Our opinion at whereandwhen.net | good |
Climate in Kourou in august
In the month of august, the mean temperature in Kourou is 83°F (maximum temperature is 88°F and minimum temperature is 77°F). The climate is very warm in this location in the month of august. With 6.2in over 11 days, rain may occur during your stay. But this is reasonably and you will not be too bothered by it.
With proper weather, august is okay (but not good month) for traveling in that area in French Guiana.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 6.2in | ||
| Number of days with rainfall | 11 day(s) (35%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 29% | ||
| Length of day | 12:17 | ||
| Our opinion at whereandwhen.net | good |
Climate in Mana in august
In the month of august, the mean temperature in Mana is 83°F (maximum temperature is 92°F and minimum temperature is 74°F). The climate is very warm there in this month. With 5.1in over 8 days, you risk getting wet slightly throughout your journey. But this is pretty reasonably and it will not be continuous.
With a correct weather, august is okay (but not good month) for traveling in this city.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 92°F | ||
| Lowest temperature | 74°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 5.1in | ||
| Number of days with rainfall | 8 day(s) (27%) | ||
| Humidity | 97% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 39% | ||
| Length of day | 12:18 | ||
| Our opinion at whereandwhen.net | good |
Climate in Maripasoula in august
In august, maximum temperature is 94°F and minimum temperature is 70°F (for an average temperature of 81°F). The climate is burning in that area in this month. With 6.3in over 9 days, rainfall can happen throughout your holidays. But this is rather moderate and it is only of temporary showers.
With a correct climate, august is okay (but not good time) for traveling in that area.
| August | |||
| Average temperature | 81°F | ||
| Highest temperature | 94°F | ||
| Lowest temperature | 70°F | ||
| Rainfall | 6.3in | ||
| Number of days with rainfall | 9 day(s) (30%) | ||
| Humidity | 100% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 47% | ||
| Length of day | 12:14 | ||
| Our opinion at whereandwhen.net | good |
Climate in Apatou in august
In august, maximum temperature is 92°F and minimum temperature is 74°F (for an average temperature of 83°F). The climate is very warm in that area in the month of august. With 5.1in over 8 days, you risk getting wet slightly throughout your trip. But this is moderate and it is only of temporary showers.
With a correct climate, the month of august is okay (but not good month) for traveling in Apatou.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 92°F | ||
| Lowest temperature | 74°F | ||
| Rainfall | 5.1in | ||
| Number of days with rainfall | 8 day(s) (27%) | ||
| Humidity | 97% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 39% | ||
| Length of day | 12:17 | ||
| Our opinion at whereandwhen.net | good |
All cities in French Guyana in august
| Cayenne in august | good weather |
| Kourou in august | good weather |
| Mana in august | good weather |
| Maripasoula in august | good weather |
| Apatou in august | good weather |
| Awala-Yalimapo in august | good weather |
| Cacao in august | good weather |
| Camopi in august | good weather |
| Îles du Salut in august | good weather |
| Iracoubo in august | good weather |
| Macouria in august | good weather |
| Montagne des Singes in august | good weather |
| Ouanary in august | good weather |
| Régina in august | good weather |
| Rémire-Montjoly in august | good weather |
| Roura in august | good weather |
| Saint George de l’Oyapock in august | good weather |
| Saint-Laurent-du-Maroni in august | good weather |
| Saül in august | good weather |
| Sinnamary in august | good weather |
Weather data for French Guiana in august:
Weather data for French Guiana in august is derived from an average of the weather forecast since 2009 in French Guyana. There is a margin of error and these forecasts are to be considered as general information only. The weather in French Guyana can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to French Guyana.