Best Time to Visit Cayenne, French Guiana, France
Month-by-month climate guide for planning a trip to Cayenne.
Cayenne does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (October, 26.8°C / 80.2°F) and driest (September, 60 mm / 2.4 in) months. The drier stretch runs through February–March and July–November; the wetter half falls in April–June and December–January. At the city itself, monthly average temperatures range from 25.5°C / 77.9°F in January to 26.8°C / 80.2°F in October, with rainfall from 60 mm / 2.4 in (September) to 463 mm / 18.2 in (May). These are point-value climate normals sampled at Cayenne, French Guiana, France's coordinates — usually more actionable for travellers than the country-wide average. Cayenne's climate is broadly tropical. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| September | 26.7°C80.1°F | 60 mm2.4″ | — |
| October | 26.8°C80.2°F | 75 mm3″ | — |
| August | 26.3°C79.3°F | 103 mm4.1″ | Tropical |
No month at Cayenne matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Cayenne?
Cayenne doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on September (driest, ~60 mm / 2.4 in) and October (warmest, 26.8°C / 80.2°F). Because these are point values at the city, they can differ substantially from France's national average.
When is the rainy season in Cayenne?
The rainy season at Cayenne, French Guiana runs through April–June and December–January, when monthly rainfall exceeds the annual median of about 287 mm / 11.3 in. The wettest single month is May (463 mm / 18.2 in).
What is the driest month in Cayenne?
The driest month in Cayenne is September, averaging about 60 mm / 2.4 in of rainfall. Temperature that month averages 26.7°C / 80.1°F.
What months should I avoid visiting Cayenne?
The least comfortable months for travel to Cayenne — based on point-value climate at the city — are January, February, April, May, June, July, December. These are the wettest or coolest months at this location. Rainfall peaks at 463 mm / 18.2 in in May, and the coldest month averages 25.5°C / 77.9°F.
Is Cayenne climate different from France overall?
Yes, usually. Our Cayenne figures are point-value climate normals sampled at the city itself, while our France figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Cayenne specifically — usually the more actionable data for a traveller planning to spend time in the city.