French Guiana

French Guiana Weather in June

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

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

What to Expect in French Guiana in June

June in French Guiana generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°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.

For a closer look at conditions across French Guiana, refer to the map below.

Precipitation

In June, precipitation varies across different areas. From heavy rainfall in Maripasoula with an average of 207 mm (8.1 in) to heavy rainfall in Kourou with 374 mm (15 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Kourou gets around 149 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore French Guiana by month

Best Places to Visit in French Guiana in June

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 June for some of the most popular destinations in French Guiana?

Temperature range in French Guiana (June)

Precipitation variation in French Guiana (June)

Kourou

In June Kourou generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
June
July
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
119 hours
149 hours
197 hours
Monthly rainfall
406 mm (16 in)
374 mm (15 in)
228 mm (9 in)
Monthly rainy days
26 days
23 days
18 days
Weather conditions

Matoury

In June Matoury generally has 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.

May
June
July
Max temperature
30°C (86°F)
30°C (86°F)
31°C (88°F)
Min temperature
24°C (75°F)
24°C (75°F)
23°C (73°F)
Monthly sun hours
122 hours
155 hours
202 hours
Monthly rainfall
409 mm (16 in)
368 mm (14 in)
239 mm (9.4 in)
Monthly rainy days
26 days
23 days
18 days
Weather conditions

Cayenne

In June Cayenne generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
June
July
Max temperature
30°C (86°F)
30°C (86°F)
31°C (88°F)
Min temperature
24°C (75°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
122 hours
155 hours
202 hours
Monthly rainfall
403 mm (16 in)
365 mm (14 in)
245 mm (9.6 in)
Monthly rainy days
26 days
23 days
18 days
Weather conditions

Maripasoula

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

May
June
July
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
23°C (73°F)
22°C (72°F)
22°C (72°F)
Monthly sun hours
153 hours
166 hours
206 hours
Monthly rainfall
288 mm (11 in)
207 mm (8.1 in)
116 mm (4.6 in)
Monthly rainy days
26 days
23 days
20 days
Weather conditions

Saint Georges

In June 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 poor that month.

May
June
July
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
111 hours
146 hours
206 hours
Monthly rainfall
377 mm (15 in)
294 mm (12 in)
196 mm (7.7 in)
Monthly rainy days
26 days
23 days
19 days
Weather conditions

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

In our records: French Guiana June extremes

Notable June records observed across cities in French Guiana in our climate database (1991 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest June day in French Guiana reached 44°C (111°F) in Maripasoula on June 14, 2011.
  • From our sources, the wettest June day in French Guiana brought 257 mm (10 in) in Cayenne on June 4, 1995.

Popular cities in June

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

City Weather Day temp Night temp Rainfall
Cayenne 30°C (86°F) 24°C (75°F) 367 mm (14 in)
Kourou 29°C (84°F) 24°C (75°F) 374 mm (15 in)
Matoury 30°C (86°F) 24°C (75°F) 368 mm (14 in)
Cayenne 30°C (86°F) 23°C (73°F) 365 mm (14 in)
Saint Georges 31°C (88°F) 23°C (73°F) 294 mm (12 in)
Maripasoula 31°C (88°F) 22°C (72°F) 207 mm (8.1 in)

French Guiana weather in June: frequently asked questions

What is the weather like in French Guiana in June?

June in French Guiana brings poor weather. In Kourou, daytime temperatures are typically around 29°C (84°F) and nighttime lows hover near 24°C (75°F).

What is the average temperature in French Guiana in June?

Average temperatures in French Guiana during June range from a nighttime low near 24°C (75°F) to a daytime high around 29°C (84°F) in Kourou.

Does French Guiana get a lot of rain in June?

Expect plenty of rainfall. Kourou records an average of 374 mm (15 in) in June, putting it among the wetter months for French Guiana.

Is June a Good Time to Visit French Guiana?

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

Generally speaking, March, September and October provide tolerable weather in Kourou. In contrast, 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.