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Cayenne weather in May 2021
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- 2929°C max day temperature
- 2626 days with some rainfall
- 2323°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 544544 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
Recommended for French Guiana
The May weather guide for Cayenne, French Guiana 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.
How hot is it in Cayenne in May?
Daytime temperatures usually reach 29°C in Cayenne in May with high heat and humidity, falling to 23°C at night.
How sunny is it in Cayenne in May?
There are normally 4 hours of bright sunshine each day in Cayenne in May - that's 36% of daylight hours.
How warm is the sea around Cayenne in May?
The average sea temperature around Cayenne in May is 27°C.
Does it rain in Cayenne in May?
There are usually 26 days with some rain in Cayenne in May and the average monthly rainfall is 544mm.
Metric (°C / mm) | Imperial (°F / inches)
Cayenne sunrise & sunset times for May 2021
Browse the sunrise and sunset times for Cayenne in May 2021. Select a month to view Cayenne sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Saturday, 1st May 2021||06:18||18:35|
|Sunday, 16th May 2021||06:15||18:36|
|Monday, 31st May 2021||06:15||18:39|
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