Cayo Guillermo weather in May 2021

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31
31°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
21
21°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
168
168 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

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The May weather guide for Cayo Guillermo, Cuba 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.

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How hot is it in Cayo Guillermo in May?

Daytime temperatures usually reach 31°C in Cayo Guillermo in May with high heat and humidity, falling to 21°C at night.

How sunny is it in Cayo Guillermo in May?

There are normally 8 hours of bright sunshine each day in Cayo Guillermo in May - that's 58% of daylight hours.

How warm is the sea around Cayo Guillermo in May?

The average sea temperature around Cayo Guillermo in May is 27°C.

Does it rain in Cayo Guillermo in May?

There are usually 12 days with some rain in Cayo Guillermo in May and the average monthly rainfall is 168mm.

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

Cayo Guillermo sunrise & sunset times for May 2021

Browse the sunrise and sunset times for Cayo Guillermo in May 2021. Select a month to view Cayo Guillermo sunrise & sunset times for the next 12 months.

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