Climate in Cayenne, French Guiana

The graphs below show the monthly weather averages over the year.

Average day and night temperature

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

Average min and max temperatures in Cayenne, French Guiana   Copyright © 2022  weather-and-climate.com

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in Cayenne, French Guiana   Copyright © 2022  weather-and-climate.com

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Monthly precipitation

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

Average precipitation (rain/snow) in Cayenne, French Guiana   Copyright © 2022  weather-and-climate.com

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Monthly rainy days

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

Average rainy days (rain/snow) in Cayenne, French Guiana   Copyright © 2022  weather-and-climate.com

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Weather Forecasts for Cayenne

THU   Oct 06
94°F | 75°F
E 11 mph
FRI   Oct 07
94°F | 74°F
E 11 mph
SAT   Oct 08
94°F | 76°F
E 10 mph
0.01 in
Patchy rain possible

Patchy rain possible

The best time of year to visit Cayenne in French Guiana

Cayenne has warm temperatures year round ranging between 29°C (84°F) and 32°C (89°F).
Other facts from our historical climate data:

  • Which is the warmest month in Cayenne?
    September has an average maximum temperature of 32°C (90°F) and is the warmest month of the year.
  • Which is the coldest month in Cayenne?
    The coldest month is September with an average maximum temperature of 29°C (84°F).
  • Which is the wettest month in Cayenne?
    June tops the wettest month list with 580mm (22.8in) of rainfall.
  • Which is the driest month in Cayenne?
    October is the driest month with 56mm (2.2in) of precipitation.
  • Which is the sunniest month in Cayenne?
    September is the sunniest month with an average of 255 hours of sunshine.

  • 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.