Weather in July in French Guiana

Many people wonder what the weather conditions are in July in French Guiana. Is this month a good time to go to French Guiana? To answer that question we created this page with all the information you need.

What is the weather like in French Guiana in July?

The weather in French Guiana in July is in general poor.

July is a month with very warm maximum daytime temperatures around 31°C (88°F) and nighttime temperatures around 23°C (73°F) in Cayenne. It is a very warm month in some areas, so be prepared and make sure to dress lightly.

July is a very rainy month with an average rainfall around 413mm (16inch) in Cayenne. In general it is also a sunny month with an average of 197 hours of sunshine in Cayenne during the whole month.

Where to go in French Guiana in July

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

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in French Guiana

What is the weather like in July for the 3 most popular destinations in French Guiana?

Average weather in Cayenne

In July Cayenne generally has very warm temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Cayenne
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   June June
<<  
31°C / 87°F 
23°C / 73°F 
149 hours 
580mm / 23inch 
25 days 
poor 
31°C / 88°F 
23°C / 73°F 
197 hours 
413mm / 16inch 
21 days 
poor 
August   >> August
>>  
32°C / 89°F 
23°C / 73°F 
230 hours 
248mm / 9.8inch 
14 days 
poor 
Climate in Cayenne

Average weather in Kourou

In July Kourou generally has very warm temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Kourou
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   June June
<<  
31°C / 87°F 
23°C / 73°F 
149 hours 
580mm / 23inch 
25 days 
poor 
31°C / 88°F 
23°C / 73°F 
197 hours 
413mm / 16inch 
21 days 
poor 
August   >> August
>>  
32°C / 89°F 
23°C / 73°F 
230 hours 
248mm / 9.8inch 
14 days 
poor 
Climate in Kourou

Average weather in Matoury

In July Matoury generally has very warm temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Matoury
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   June June
<<  
29°C / 84°F 
22°C / 72°F 
161 hours 
460mm / 18inch 
28 days 
poor 
30°C / 86°F 
22°C / 72°F 
215 hours 
244mm / 9.6inch 
24 days 
poor 
August   >> August
>>  
31°C / 88°F 
21°C / 70°F 
241 hours 
165mm / 6.5inch 
18 days 
Climate in Matoury

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

Is July the best time to go to French Guiana?

In our opinion July 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.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • 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.