French Guiana: weather & best time to visit
1 destination with long-term climate data. Best time to visit: January – March, September – October.
Weather by month
Long-term monthly averages. Best months are marked.
| Month | Score | Air | Sea |
|---|---|---|---|
| JanuaryJan | 54 | 28° | 27° |
| FebruaryFeb | 54 | 28° | 27° |
| MarchMar | 53 | 28° | 27° |
| AprilApr | 50 | 28° | 28° |
| MayMay | 47 | 28° | 28° |
| JuneJun | 49 | 28° | 28° |
| JulyJul | 49 | 29° | 28° |
| AugustAug | 46 | 30° | 28° |
| SeptemberSep | 57 | 32° | 28° |
| OctoberOct | 52 | 32° | 28° |
| NovemberNov | 44 | 30° | 28° |
| DecemberDec | 49 | 28° | 28° |
Destinations1
French Guiana month by month
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Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences