French Guiana

French Guiana Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in French Guiana in July.

Planning a trip to French Guiana this July? Here's what you need to know about the weather:

What to Expect in French Guiana in July

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

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 24°C (75°F) in Kourou. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

To explore the conditions in French Guiana in more detail, check the map below.

Precipitation

In July, precipitation varies across different areas. From high rainfall in Maripasoula with an average of 116 mm (4.6 in) to heavy rainfall in Cayenne with 245 mm (9.6 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Kourou sees close to 197 hours of sunlight, making it great for sun lovers.

Explore French Guiana by month

Best Places to Visit in French Guiana in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across French Guiana.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in French Guiana

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

Temperature range in French Guiana (July)

Precipitation variation in French Guiana (July)

Kourou

In July Kourou generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
29°C (84°F)
30°C (86°F)
31°C (88°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
149 hours
197 hours
230 hours
Monthly rainfall
374 mm (15 in)
228 mm (9 in)
110 mm (4.3 in)
Monthly rainy days
23 days
18 days
10 days
Weather conditions

Matoury

In July Matoury generally has very high 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.

June
July
August
Max temperature
30°C (86°F)
31°C (88°F)
32°C (90°F)
Min temperature
24°C (75°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
155 hours
202 hours
235 hours
Monthly rainfall
368 mm (14 in)
239 mm (9.4 in)
123 mm (4.8 in)
Monthly rainy days
23 days
18 days
9 days
Weather conditions

Cayenne

In July Cayenne generally has very high 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.

June
July
August
Max temperature
30°C (86°F)
31°C (88°F)
32°C (90°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
155 hours
202 hours
235 hours
Monthly rainfall
365 mm (14 in)
245 mm (9.6 in)
130 mm (5.1 in)
Monthly rainy days
23 days
18 days
9 days
Weather conditions

Maripasoula

In July Maripasoula generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
31°C (88°F)
31°C (88°F)
33°C (91°F)
Min temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Monthly sun hours
166 hours
206 hours
235 hours
Monthly rainfall
207 mm (8.1 in)
116 mm (4.6 in)
63 mm (2.5 in)
Monthly rainy days
23 days
20 days
12 days
Weather conditions

Saint Georges

In July Saint Georges generally has very high 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 unpleasant that month.

June
July
August
Max temperature
31°C (88°F)
31°C (88°F)
32°C (90°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
146 hours
206 hours
235 hours
Monthly rainfall
294 mm (12 in)
196 mm (7.7 in)
102 mm (4 in)
Monthly rainy days
23 days
19 days
10 days
Weather conditions

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

Popular cities in July

Day & night temperatures, rainfall and average weather in French Guiana in July.

City Weather Day temp Night temp Rainfall
Cayenne 30°C (86°F) 24°C (75°F) 224 mm (8.8 in)
Kourou 30°C (86°F) 24°C (75°F) 228 mm (9 in)
Matoury 31°C (88°F) 23°C (73°F) 239 mm (9.4 in)
Cayenne 31°C (88°F) 23°C (73°F) 245 mm (9.6 in)
Saint Georges 31°C (88°F) 23°C (73°F) 196 mm (7.7 in)
Maripasoula 31°C (88°F) 22°C (72°F) 116 mm (4.6 in)

French Guiana weather in July: frequently asked questions

What is the weather like in French Guiana in July?

Expect poor weather across French Guiana in July. The popular destination of Kourou averages 30°C (86°F) by day and 24°C (75°F) at night during this month.

What is the average temperature in French Guiana in July?

Daytime temperatures in Kourou peak at roughly 30°C (86°F) in July, dropping to about 24°C (75°F) overnight.

Does French Guiana get a lot of rain in July?

Rainfall in French Guiana peaks during July. Kourou averages roughly 228 mm (9 in), so frequent and sometimes heavy showers are the norm.

Is July a Good Time to Visit French Guiana?

Given the typically poor weather conditions in Kourou, July may not be the ideal time to visit French Guiana.

On average, the best time to visit French Guiana is in March, September and October with generally tolerable weather in Kourou. On the other hand, the months of April, May, June, July and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in French Guiana.

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 travel conditions. Find out where to go with our weather planner.

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