Discover French Guiana
Very few tourists make it to this small South American country. It's a shame, because nature in French Guiana is still pure and unspoiled.
Average monthly water temperature in Cayenne, French Guiana
On this page you find the mean water temperature over the year in Cayenne (), French Guiana. Discover when the water is at its warmest and coolest, perfect for planning your visit.
In Cayenne, water remains inviting throughout the year. The warmest month is March, with an average water temperature of 28°C (82°F).
The coolest temperature, January, still averages a pleasant 27°C (81°F). This means you will have a consistently enjoyable environment for water activities and recreation.
Cayenne Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cayenne - and find the best time to visit.
Cayenne 3-Day Forecast
More climate data for Cayenne
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cayenne climate overview or explore weather in French Guiana.
Popular in October
Where to go in October - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Discover French Guiana
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