Climate in Cayenne, French Guiana

The graphs below show the monthly weather averages over the year.
* Data from weather station: Cayenne, French Guiana.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Weather Forecasts for Cayenne

SAT Oct 23
30°C | 24°C

Heavy rain

SUN Oct 24
27°C | 24°C

Heavy rain

MON Oct 25
28°C | 24°C

Heavy rain

The best time of year to visit Cayenne in French Guiana

Here are some average weather facts we collected from our historical climate data:

  • On average, the temperatures are always high.
  • A lot of rain (rainy season) falls in the month of: January, February, March, April, May, June, July and August.
  • The warmest month is September with an average maximum temperature of 32°C (89°F).
  • The coldest month is September with an average maximum temperature of 29°C (84°F).
  • June is the most wet month. This month should be avoided if you are not a big fan of rain.
  • October is the driest month.
  • September is the most sunny month.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.