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What is the climate like in French Guiana?

The climate of French Guiana has an average yearly temperature of 32°C. Throughout the year, the average monthly temperature can drop to 30°C and rise to 36°C.

Annually, about 1963 mm of rain falls. This gives a good overview of how much rain to expect in French Guiana.

The best time to visit French Guiana is January to March, July and December. Although it often rains during this period, it rains less than in other months. The temperatures are also good for visiting French Guiana.

Temperature 30 to 36°C
Rain 1963 mm

GoodStarStarStarStar

From time to time there were showers that brought long-await... more

Aaltje

PoorStarStar

The heat and high humidity were unexpectedly intense. Heavy ... more

David Weustink

The climate of French Guiana
  • Average yearly temperature: 32°C
  • Highest temperature: 36°C in October
  • Lowest temperature: 30°C in January, February and May
  • Precipitation: 1963 mm per year, averaging 164 mm by month
  • Driest months: 24 mm in October, 42 mm in September and 87 mm in August
  • Wettest months: 338 mm in May, 302 mm in April and 241 mm in June

Climate table French Guiana

The climate table for French Guiana shows the average temperatures, precipitation, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 30 30 31 31 30 31 32 33 35 36 34 31
Nighttime temperature (°C) 23 23 23 23 23 23 23 23 23 23 23 23
Precipitation (mm) 170 160 164 302 338 241 160 87 42 24 88 187
UV Index 7 7 7 7 7 7 8 9 9 9 8 7
Best month Yes Yes Yes No No No Yes No No No No Yes

Temperature by month in French Guiana

This graph shows the average high temperatures in degrees Celsius for each month in French Guiana

Temperature by month in French Guiana

Precipitation by month in French Guiana

This graph shows the average monthly precipitation in millimeters in French Guiana.

Precipitation by month in French Guiana

UV index by month in French Guiana

This graph shows the average UV index by month in French Guiana.

UV index by month in French Guiana

Yearly temperature in French Guiana

This graph shows the average yearly temperature in French Guiana, measured in degrees Celsius.

Yearly temperature in French Guiana

Yearly total precipitation in French Guiana

This graph shows the average yearly precipitation in millimeters in French Guiana.

Precipitation per year in French Guiana

Weather experiences in French Guiana

The weather in French Guiana is rated an average of 3,1 out of 5 stars by 10 visitors.

Write your own review
Weather Experience: Good StarStarStarStar

From time to time there were showers that brought long-awaited relief. The average temperature was around 28°C, pleasantly warm.— This text has been automatically translated into English

Weather Experience: Poor StarStar

The heat and high humidity were unexpectedly intense. Heavy rain fell almost every day. Not ideal for a trip like this.— This text has been automatically translated into English

Weather Experience: Moderate StarStarStar

Some days there were brilliant sunshine and temperatures around 28°C, while others were surprisingly rainy and humid. That didn't make the adventure any less entertaining.— This text has been automatically translated into English

Weather Experience: Poor StarStar

The sun shines relentlessly and it rains heavily. Not ideal for a vacation.— This text has been automatically translated into English

Weather Experience: Good StarStarStarStar

It was warm and sunny, with a little rain. It was very humid at times, but that is normal in this tropical climate.— This text has been automatically translated into English

Weather Experience: Good StarStarStarStar

The perfect mix for someone from a cold climate like me. The nights were pleasantly cool. In short, a great experience.— This text has been automatically translated into English

Weather Experience: Moderate StarStarStar

Mostly hot and humid with some light rain. Thunderstorms were frequent and the heat could be unbearable, but this is typical of a tropical climate.— This text has been automatically translated into English

Weather Experience: Moderate StarStarStar

Although there is sometimes intense heat, there are also heavy rainstorms. Therefore, it is advisable to always be prepared for both scenarios.— This text has been automatically translated into English

Weather Experience: Moderate StarStarStar

April in French Guiana was quite humid and hot. Despite frequent rain showers, there were also sunny moments. High humidity sometimes caused discomfort, especially during walks in nature.— This text has been automatically translated into English

Weather Experience: Moderate StarStarStar

Expect lots of rain; The sky is full of threatening clouds. You may feel the tropical heat. Bring light clothing.— This text has been automatically translated into English

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Average weather in French Guiana by month

Click on a month below to see in detail how the weather typically is in French Guiana and what to expect. Based on the historical weather data of French Guiana, you can view the average temperature, precipitation, wind, and UV index for each day of the month.