Kourou Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Kourou.

Climate overview of Kourou

The climate in Kourou, French Guiana, is remarkably consistent, with temperatures year-round averaging 30°C (86°F). The warmest month is October at 31°C (88°F), and the coolest is July at 29°C (84°F).

The city has a wet climate, receiving around 2561 mm (101 in) of rainfall per year. Despite the high annual total, it has a distinct rainy season from December to July. May is the wettest month. Sunshine peaks in September, when the city sees around 8.5 hours of sunshine per day.

Kourou Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Kourou — and find the best time to visit.

Monthly Temperature in Kourou

In Kourou temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 31°C (88°F) in October to a comfortable 29°C (84°F) in July.

Nighttime temperatures range from 25°C (77°F) in October to 24°C (75°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Kourou

Kourou experiences significant rainfall throughout the year, averaging 2561 mm (101 in) of precipitation annually. The seasons in Kourou bring significant changes in precipitation. The wettest month, May, receives heavy rainfall, with an average of 406 mm (16 in) of precipitation. This rainfall is distributed across 26 rainy days.

In contrast, the driest month, September, experiences much less rainfall, totaling 54 mm (2.1 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Kourou Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Kourou

In Kourou, summer days are longer and more sunny, with daily sunshine hours peaking at 8.5 hours in September. As the darker season arrives, the brightness of the sun becomes less. February sees a soft sun for only 3.0 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Cayenne, French Guiana (42 KM, 26 Miles).

Daily hours of sunshine

Data from: Cayenne, French Guiana (42 KM, 26 Miles).

Best Time to Visit Kourou

The warm weather in Kourou maintains temperatures between 29°C (84°F) and 31°C (88°F) year-round. Plan your visit during August, September and October for drier days and the best conditions to enjoy being outside.

To make the most of your visit, consider exploring early in the morning or during the pleasant late afternoon hours when the temperature is most comfortable.

Be aware that January, February, March, April, May, June, July and December constitute the rainy season, with significant precipitation.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.

Frequently asked questions about the climate in Kourou

What is the best time to visit Kourou?

March, September and October typically offer the most optimal weather in Kourou. In contrast, April, May, June, July and December tend to have less optimal conditions. Kourou has a distinct rainy season from December to July.

What temperatures can I expect in Kourou?

Daytime highs range from 29°C (84°F) in July to 31°C (88°F) in October. Nighttime lows range from 24°C (75°F) to 25°C (77°F). Temperatures stay relatively stable year-round.

How much rain does Kourou get?

Annual rainfall is around 2561 mm (101 in). May is the wettest month with 406 mm (16 in), while September is the driest with 54 mm (2.1 in).

How sunny is Kourou?

Kourou receives around 1,980 hours of sunshine per year. September is the sunniest month with 255 hours, while February is the cloudiest with just 89 hours.

Kourou 3-Day Forecast

Kourou 3-Day Forecast

Kourou on the map

Kourou is highlighted — select any city to see its climate.

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