May weather forecast
Cayo Santa María, Cuba

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Weather in May

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

The arrival of May sees an average high-temperature of a still hot 31°C (87.8°F), hardly diverging from April's 30°C (86°F). An average temperature of 22°C (71.6°F) marks the nights in Cayo Santa María in May.

Rainfall

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

Sea temperature

In Cayo Santa María, in May, the average water temperature is 27°C (80.6°F).
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.

Daylight

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

Sunshine

March through May, July and August, with an average of 8h of sunshine, are months with the most sunshine.

UV index

April through August, with an average maximum UV index of 12, are months with the highest UV index in Cayo Santa María. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 12 during May translates into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. After a swim or outdoor exercise, one should liberally reapply broad-spectrum sunscreen with a sun protection factor of 30 or higher. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.

Frequently asked questions

How hot does it get in Cayo Santa María in May?

The high-temperature, in May, in Cayo Santa María, is 31°C (87.8°F), while the low-temperature averages to 22°C (71.6°F).

How much does it rain in Cayo Santa María in May?

In May, the rain falls for 11 days. Throughout May, 171mm (6.73") of precipitation is accumulated.

How warm is the water in May in Cayo Santa María?

In Cayo Santa María, the average seawater temperature in May is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Cayo Santa María have in May?

In May, the average day length in Cayo Santa María, Cuba, is 13h and 14min.

When are sunrise and sunset in May in Cayo Santa María?

On the first day of May in Cayo Santa María, Cuba, sunrise is at 06:42 and sunset at 19:43. On the last day of the month, sunrise is at 06:30 and sunset at 19:56 CDT.

What are the months with the most sunshine in Cayo Santa María?

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

How many hours of sunshine does Cayo Santa María have in May?

The average sunshine duration in May in Cayo Santa María is 8h.

When is the highest UV index in Cayo Santa María?

April through August, with an average maximum UV index of 12, are months with the highest UV index in Cayo Santa María.

How high is the UV index in May in Cayo Santa María?

In Cayo Santa María, the average daily maximum UV index in May is 12. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Cayo Santa María, Cuba

Average temperature in May - Cayo Santa María, Cuba
  • Average high temperature in May: 31°C

The warmest months (with the highest average high temperature) are June, July, August and September (32°C).
The months with the lowest average high temperature are January, February and December (27°C).

  • Average low temperature in May: 22°C

The months with the highest average low temperature are June, July, August, September and October (23°C).
The coldest months (with the lowest average low temperature) are January and February (18°C).

Average rainfall in May
Cayo Santa María, Cuba

Average rainfall in May - Cayo Santa María, Cuba
  • Average rainfall in May: 171mm

The wettest month (with the highest rainfall) is October (190mm).
The driest month (with the least rainfall) is February (36mm).

Average rainfall days in May
Cayo Santa María, Cuba

Average rainfall days in May - Cayo Santa María, Cuba
  • Average rainfall days in May: 11 days

The month with the highest number of rainy days is October (16 days).
The month with the least rainy days is April (5 days).

Average sea temperature in May
Cayo Santa María, Cuba

Average sea temperature in May - Cayo Santa María, Cuba
  • Average sea temperature in May: 27°C

The best months for swimming (with the highest average sea temperature) are June, July, August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (25°C).

Average daylight in May /
Average sunshine in May
Cayo Santa María, Cuba

Average daylight in May / Average sunshine in May - Cayo Santa María, Cuba
  • Average daylight in May: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in May: 8h

The months with the most sunshine are March, April, May, July and August (Average sunshine: 8h).
The months with the least sunshine are January, February, June, September, October, November and December (Average sunshine: 7h).

Average UV index in May
Cayo Santa María, Cuba

Average UV index in May - Cayo Santa María, Cuba
  • Average UV index in May: 12

The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

Cayo Santa María, Cuba

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