Climate of Cayenne, French Guiana, France
Point-value climate at Cayenne (French Guiana, France). Population approximately 61,550.
Located in French Guiana, France, Cayenne has a tropical climate. Population approximately 61,550. Monthly average temperatures range from 25.5°C / 77.9°F in January to 26.8°C / 80.2°F in October, with rainfall varying from 60 mm / 2.4 in (September) to 463 mm / 18.2 in (May) — about 2874 mm / 113.1 in across the year. Cayenne is the capital of French Guiana. These are point-value climate normals sampled at Cayenne's coordinates — often quite different from the surrounding region's area-weighted average.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 25.5°C77.9°F | 330 mm13″ | Tropical |
| February | 25.6°C78.1°F | 245 mm9.6″ | Tropical |
| March | 25.9°C78.6°F | 287 mm11.3″ | Tropical |
| April | 26.2°C79.2°F | 336 mm13.2″ | Tropical |
| May | 25.9°C78.6°F | 463 mm18.2″ | Tropical |
| June | 25.6°C78.1°F | 361 mm14.2″ | Tropical |
| July | 25.8°C78.4°F | 185 mm7.3″ | Tropical |
| August | 26.3°C79.3°F | 103 mm4.1″ | Tropical |
| September | 26.7°C80.1°F | 60 mm2.4″ | — |
| October | 26.8°C80.2°F | 75 mm3″ | — |
| November | 26.4°C79.5°F | 120 mm4.7″ | Tropical |
| December | 25.8°C78.4°F | 309 mm12.2″ | Tropical |
Frequently asked questions
What is the best time to visit Cayenne?
Cayenne does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. Cayenne's warmest month is October at an average of 26.8°C / 80.2°F, and its driest month is September with about 60 mm / 2.4 in of rain.
What is the climate of Cayenne?
Cayenne, in French Guiana, France, has monthly average temperatures ranging from 25.5°C / 77.9°F in January to 26.8°C / 80.2°F in October. Annual rainfall is approximately 2874 mm / 113.1 in, with the wettest month being May (463 mm / 18.2 in) and the driest September (60 mm / 2.4 in).
What is the average temperature in Cayenne in October?
The average temperature in Cayenne in October is 26.8°C / 80.2°F, with rainfall of about 75 mm / 3 in — the warmest month of the year.
When is the driest month in Cayenne?
The driest month in Cayenne is September, with about 60 mm / 2.4 in of average monthly rainfall. Average temperature that month is 26.7°C / 80.1°F.
When is the wettest month in Cayenne?
The wettest month in Cayenne is May, with approximately 463 mm / 18.2 in of average monthly rainfall.