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Very few tourists make it to this small South American country. It's a shame, because nature in French Guiana is still pure and unspoiled.
Kourou Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kourou.
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10-day forecastForecast
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 January 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 January.
Nighttime temperatures range from 25°C (77°F) in October to 24°C (75°F) in January.
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
The average number of days each month with precipitation
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
For the most comfortable conditions available during the year, consider visiting Kourou in March, September and October. Conditions are usually least comfortable in April, May, June, July and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
mixed
Mar
good
Apr
very wet
May
very wet
Jun
very wet
Jul
very wet
Aug
mixed
Sep
good
Oct
good
Nov
mixed
Dec
very wet
- Best overall: March, September and October
- Warmest weather: July, August, September, October and November
- Most sunshine: September and October
- Fewest rainy days: September and October
- Wettest months: April, May, June and July, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from December to July
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 January 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 on the map
Kourou is highlighted - select any city to see its climate.
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