French Guiana weather in August

Thinking about venturing to French Guiana this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in French Guiana in August?

August in French Guiana generally has very warm temperatures, with precipitation levels ranging from moderate to high.

The average maximum temperatures are very warm and range from 31°C in Kourou to 33°C in Maripasoula. Nighttime temperatures generally drop to 22°C in Maripasoula and 24°C in Kourou. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

In August, precipitation varies across different areas. From moderate rainfall in Maripasoula with an average of 63 mm to high rainfall in Cayenne with 130 mm. The city Kourou usually sees around 230 hours of sunlight, indicating many sunny days.

For a closer look at August's conditions in French Guiana, see the map below. For a more detailed look at French Guiana's yearly weather, check out our French Guiana climate page.

Where to go in French Guiana in August

Find the average weather conditions in August for the most popular destinations in French Guiana on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in French Guiana

What is the weather like in August for the 5 most popular destinations in French Guiana?

Average weather in Kourou

In August Kourou generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are tolerable that month.

Kourou
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
30°C 
24°C 
197 hours 
228 mm 
18 days 
poor 
31°C 
24°C 
230 hours 
110 mm 
10 days 
31°C 
25°C 
255 hours 
54 mm 
5 days 
Climate in Kourou

Average weather in Matoury

In August Matoury generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are tolerable that month.

Matoury
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
31°C 
23°C 
202 hours 
239 mm 
18 days 
poor 
32°C 
24°C 
235 hours 
123 mm 
9 days 
32°C 
24°C 
255 hours 
62 mm 
4 days 
Climate in Matoury

Average weather in Cayenne

In August Cayenne generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 23°C and high monthly rainfall. So on average the conditions are tolerable that month.

Cayenne
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
31°C 
23°C 
202 hours 
245 mm 
18 days 
poor 
32°C 
23°C 
235 hours 
130 mm 
9 days 
32°C 
24°C 
255 hours 
65 mm 
5 days 
Climate in Cayenne

Average weather in Maripasoula

In August Maripasoula generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 22°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Maripasoula
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
31°C 
22°C 
206 hours 
116 mm 
20 days 
33°C 
22°C 
235 hours 
63 mm 
12 days 
34°C 
23°C 
250 hours 
32 mm 
7 days 
Climate in Maripasoula

Average weather in Saint Georges

In August Saint Georges generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 23°C and high monthly rainfall. So on average the conditions are tolerable that month.

Saint Georges
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
31°C 
23°C 
206 hours 
196 mm 
19 days 
32°C 
23°C 
235 hours 
102 mm 
10 days 
33°C 
23°C 
246 hours 
42 mm 
6 days 
Climate in Saint Georges

Is your destination not in the list? Have a look at other destinations in French Guiana.

Is August the best time to visit French Guiana?

Given the typically tolerable weather conditions in Kourou, August might be a good time to visit French Guiana.

Generally speaking, September and October provide pleasant weather in Kourou. The weather in April, May, June, July and December, on the other hand, tends to be poor.

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.

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  • Weather and climate has detailed information for every country 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 recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.