Cities in French Guiana — climate month by month
Compare 2 cities in French Guiana, France, across the year.
← Back to French Guiana year-round average
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cayenne | 25.5°C77.9°F 330 mm13″ | 25.6°C78.1°F 245 mm9.6″ | 25.9°C78.6°F 287 mm11.3″ | 26.2°C79.2°F 336 mm13.2″ | 25.9°C78.6°F 463 mm18.2″ | 25.6°C78.1°F 361 mm14.2″ | 25.8°C78.4°F 185 mm7.3″ | 26.3°C79.3°F 103 mm4.1″ | 26.7°C80.1°F 60 mm2.4″ | 26.8°C80.2°F 75 mm3″ | 26.4°C79.5°F 120 mm4.7″ | 25.8°C78.4°F 309 mm12.2″ |
| Saint-Laurent-du-Maroni | 25.6°C78.1°F 241 mm9.5″ | 25.6°C78.1°F 179 mm7″ | 25.9°C78.6°F 198 mm7.8″ | 26.3°C79.3°F 256 mm10.1″ | 26.2°C79.2°F 364 mm14.3″ | 26°C78.8°F 326 mm12.8″ | 26.3°C79.3°F 221 mm8.7″ | 26.9°C80.4°F 143 mm5.6″ | 27.3°C81.1°F 84 mm3.3″ | 27.3°C81.1°F 85 mm3.3″ | 26.9°C80.4°F 124 mm4.9″ | 26°C78.8°F 229 mm9″ |
On mobile, scroll the table horizontally to see all months. Click a city name for its full year-round view.
Frequently asked questions
Which city in French Guiana has the least rain?
Saint-Laurent-du-Maroni is the driest city in French Guiana, with approximately 2450 mm / 96.5 in of average annual rainfall.
Which city in French Guiana is warmest in July?
Saint-Laurent-du-Maroni is the warmest city in French Guiana in July, with an average temperature of 26.3°C / 79.3°F.
Which city in French Guiana is warmest in January?
Saint-Laurent-du-Maroni is the warmest city in French Guiana in January, with an average temperature of 25.6°C / 78.1°F.
Which city in French Guiana has the mildest year-round climate?
Saint-Laurent-du-Maroni has the highest annual average temperature in French Guiana at 26.4°C / 79.5°F, while Cayenne has the lowest at 26°C / 78.8°F.
Which city in French Guiana has the most sunny months?
Saint-Laurent-du-Maroni matches our sunny profiles (warm/mild with limited rain) for 0 months of the year — the most of any city in French Guiana.