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French Guiana weather averages
Check French Guiana weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in French Guiana is expected to be 28°C, while the average maximum temperature in January is 29°C. The holiday weather guide shown above is for Cayenne.
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French Guiana weather overview
French Guiana is a small country in South America bordering Brazil and Suriname, with an Atlantic coastline at its northern edge. It consists largely of lowland plains with small hills to the south, and has an equatorial rainforest interior. Expect a climate of Turkish bath-style sultriness throughout the year, though conditions are at their most steamy during the rainy season, which stretches from December to mid-July.
What to pack for French Guiana weather
Take very light cotton clothing and reliable waterproofs if you are visiting in the long wet season. Add a wrap for cooler evenings.
French Guiana holiday weather averages by month
Check French Guiana holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.
Compare French Guiana weather with the USA
Below the French Guiana weather chart shows maximum daytime temperature for French Guiana (Cayenne) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
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