Weather in Cayo Guillermo, Cuba in May

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Visiting Cayo Guillermo, Cuba in May

The weather in May is marginally warmer than the previous month and temperatures continue to rise slightly into June. May has average maximum temperatures of 30°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright. It is a good time for sunbathing in Cayo Guillermo.

May has total rainfall of 10.1cm (4.0inches) making it quite dry with only moderate showers. There are just 6.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a very warm 27°C (81°F). May is an excellent month for swimming in Cayo Guillermo with very comfortable temperatures for bathing all day. The sea temperature in May is marginally warmer than the previous month and temperatures continue to rise slightly into June.

Consider visiting Cayo Guillermo in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for May.

Can you sunbathe in Cayo Guillermo in May?

Yes, May is a good time for sunbathing in Cayo Guillermo.

May has average maximum temperatures of 30°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright. May has total rainfall of 10.1cm (4.0inches) making it quite dry with only moderate showers. There are just 6.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about May temperature and sunshine.

Can you swim in Cayo Guillermo in May?

Yes, May is an excellent month for swimming in Cayo Guillermo with very warm sea temperatures 27°C (81°F).

More about May sea temperatures.

Is May a good time to holiday in Cayo Guillermo?

Yes, May is a great time for a holiday in Cayo Guillermo.

May has average maximum temperatures of 30°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright. May has total rainfall of 10.1cm (4.0inches) making it quite dry with only moderate showers. There are just 6.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is a good time for sunbathing in Cayo Guillermo. Sea temperatures are a very warm 27°C (81°F). May is an excellent month for swimming in Cayo Guillermo with very comfortable temperatures for bathing all day.

More about the May temperatures and sunshine.

Is Cayo Guillermo warm in May?

Yes, Cayo Guillermo is very warm and perfect for sunbathing on clear days in May.

The average maximum temperature in Cayo Guillermo in May is 30°C (85°F). The average maximum temperature is 29°C (84°) in the previous month and 31°C (88°F) in the next month.

The average temperature in Cayo Guillermo in May is 26°C (79°F). The average temperature is 25°C (77°F) in the previous month and 28°C (82°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is Cayo Guillermo in May?

The average day light hours per day in Cayo Guillermo in May are 13.2. The sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright.

More about May sunshine.

Temperature in Cayo Guillermo in May

The weather in May is marginally warmer than the previous month and temperatures continue to rise slightly into June. The average maximum temperature in Cayo Guillermo in May is 30°C (85°F). The average maximum temperature is 29°C (84°F) in the previous month and 31°C (88°F) in the next month.

The average temperature in Cayo Guillermo in May is 26°C (79°F). The average temperature is 25°C (77°F) in the previous month and 28°C (82°F) in the next month.

The average minimum temperature in Cayo Guillermo in May is 23°C (74°F). The minimum temperature is 22°C (72°F) in the previous month and 25°C (76°F) in the next month.

Sunshine in Cayo Guillermo in May

The days in May are marginally longer than the previous month and the days continue to get marginally longer into June. May has fewer hours of sunshine than the previous month and hours of sunshine continue to drop into June. During May the average day light hours are 13.2 per day in Cayo Guillermo. The sunshine percentage is 65% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright.

The ultraviolet index in Cayo Guillermo in May is typically 12.7 during May. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Cayo Guillermo in May

The average sea water temperature in Cayo Guillermo in May is 27.4°C (81.3°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in May is marginally warmer than the previous month and temperatures continue to rise slightly into June.

Rainfall in Cayo Guillermo in May

May weather is wetter than the previous month and rainfall continues to rise quickly into June. May has a few more days of rain than the previous month and rainy days continue to rise slightly into June. The average total rainfall in Cayo Guillermo in May is 10.1cm (4.0inches) and on average there are 6.8 rainy days in May making it a quite rainy time to visit the beach.

Humidity in Cayo Guillermo in May

The maximum dew point (an indicator of humidity) in Cayo Guillermo in May is 22°C (72°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 21°C (69°F) in the previous month and 24°C (24°F) in the next month.

The average maximum relative humidity in Cayo Guillermo in May is typically 85.6%. The maximum relative humidity is 82.9% in the previous month and 88.1% in the next month.

The average relative humidity in Cayo Guillermo in May is typically 72.4%. The average relative humidity is 68.8% in the previous month and 75.5% in the next month.

Wind Speed in Cayo Guillermo in May

The average maximum wind speed in Cayo Guillermo in May is typically 28KM/H (17MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 25KM/H (16MPH) in the next month.

The average wind speed in Cayo Guillermo in May is typically 14KM/H (9MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 12KM/H (7MPH) in the next month.

The average wind direction in Cayo Guillermo in May is from the East.

Monthly Averages

Suggested Beaches in May

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.