Cayenne weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: January – March, September – October
What is the weather like in Cayenne in April?
In April, Cayenne is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 27.5 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 276 mm. The air is often humid and muggy. All in all, April is a so-so month for a holiday in Cayenne.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 13 min06:23 – 18:36
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 79 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−3America/Cayenne
How the score comes together
- Temperatureweight 50 %83 %
- Sunshineweight 20 %42 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Cayenne in April: quick answers
Is Cayenne hot in April?
Yes. In April, Cayenne is hot: daytime highs average 28 °C and nights stay around 24 °C.
Can you swim in Cayenne in April?
Yes. In April the sea averages 27.5 °C – lovely and warm for swimming.
Does it rain much in Cayenne in April?
It rains often – on about 25 days, adding up to 276 mm.
Cayenne month by month
The whole year in CayenneAll destinations: French GuianaWhere to go in AprilSea temperature in April
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