Cayenne weather in April 2026

Expect daytime maximum temperatures of 30°C in Cayenne, French Guiana in April and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 21 days with some rainfall and typically 439 mm of rainfall in the month.

  • 30°C maximum daytime temperature in April in Cayenne30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 21 days with some rainfall in April in Cayenne21
    21 days with some rainfall
  • 24°C minimum night-time temperature in April in Cayenne24
    24°C min night temperature
  • 12 hours of daylight per day in April in Cayenne12
    12 hours of daylight per day
  • High heat & humidity in April in CayenneH
    High heat & humidity
  • 439 mm monthly rainfall in April in Cayenne439
    439 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Cayenne11
    11+ (Extreme) UV index
  • 27°C sea temperature in April in Cayenne27
    27°C sea temperature

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The April weather guide for French Guiana, represented by Cayenne, (Cayenne) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Cayenne in April?

Daytime temperatures usually reach 30°C in Cayenne in April with high heat and humidity, falling to 24°C at night.

How sunny is it in Cayenne in April?

There are normally 5 hours of bright sunshine each day in Cayenne in April - that's 41% of daylight hours.

How warm is the sea around Cayenne in April?

The average sea temperature around Cayenne in April is 27°C.

Does it rain in Cayenne in April?

There are usually 21 days with some rain in Cayenne in April and the average monthly rainfall is 439mm.

Cayenne April sunrise & sunset times

Browse the sunrise and sunset times for Cayenne in April 2026. Select a month to view Cayenne sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:28 18:38
Wednesday, 15th April 2026 06:23 18:36
Thursday, 30th April 2026 06:18 18:35

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