May weather forecast
Cayo Santa María, Cuba

Cayo Santa María in May experiences a spike in daily maximum temperatures, averaging 31°C (87.8°F). From the gentle warmth of April, May introduces the beginning of the hotter months on the island. This cycle is also marked by increased rainfall, but this doesn't deter the island's vibrant activities. As May progresses towards June, the interplay between the sun, sea, and sky creates a mesmerizing spectacle. Beachcombers can expect the weather to become progressively warmer, casting an even more enticing appeal to the ocean waters.

Temperature

Cayo Santa María's transition from April to May introduces an average high-temperature of a still tropical 31°C (87.8°F), marking an insignificant variation from the 30°C (86°F). May is noted for a mean low-temperature of 22°C (71.6°F).

Rainfall

In Cayo Santa María, in May, during 11 rainfall days, 171mm (6.73") of precipitation is typically accumulated. In Cayo Santa María, during the entire year, the rain falls for 125 days and collects up to 1280mm (50.39") of precipitation.

Sea temperature

In May, the average sea temperature is 27°C (80.6°F).
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

In Cayo Santa María, the average length of the day in May is 13h and 14min.
On the first day of the month, sunrise is at 06:42 and sunset at 19:43. On the last day of May, sunrise is at 06:30 and sunset at 19:56 CDT.

Sunshine

The months with the most sunshine in Cayo Santa María, Cuba, are March through May, July and August, with an average of 8h of sunshine.

UV index

April through August, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 12 during May morphs into the following directions:
Carry out all vital precautions. Protection from sun exposure is a must. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Even on overcast days, a sunscreen with a sun protection factor of no less than 30 should be generously applied and reapplied, particularly after swimming or outdoor activities. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.