Monthly weather forecast and climate
Cayo Coco, Cuba

Palm trees on the magnificent white sandy beaches, in the Cayo Coco Island in Cuba under perfect blue skies
Palm trees on the magnificent white sandy beaches, in the Cayo Coco Island in Cuba under perfect blue skies
Cayo Coco has a tropical wet and dry type of climate (Köppen climate classification Aw) with hot, wet summers and warm, dry winters. Cayo Coco is an island that lies off the coast of the Atlantic Ocean in central Cuba, within the chain of islands known as Jardines del Rey. The tropical latitudes and the engulfment by the vast waters of the ocean chiefly influence Cayo Coco's climate.

Cayo Coco is a small island with beautiful white sand that stands hardly 4 meters above sea level on a coral reef. A vast portion of the island is swampland and scrubland populated by wild cattle, and the vegetation consists of small plants, grasses, and palm trees. The coral reef off the north coast is a major attraction for divers, while its long, sandy beaches and resorts attract tourists from all over the world.

The tropical island of Cayo Coco has two distinct seasons: wet from May to November and dry from December to April. Summers are hot with a substantial amount of rainfall. The average high temperature touches 32.8°C (91°F) at the peak of July, while a few days touch the 37.8°C (100°F) mark. Winters are warm and relatively dry, with an average low temperature at 17.2°C (63°F) during the peak of January. Heavy rainfall and tropical storms are frequent in the wet season.

Cayo Coco receives ample rainfall to the tune of 1168.4mm (46"), with at least 80% occurring during the wet season. The island receives 2700 hours of annual sunshine during the year. The days are sunny and bright, barring periods of heavy rainfall. The seawater temperatures are mild to warm in the range of 25°C (77°F) to 29.4°C (84.9°F), which is suitable for swimming and diving. Cayo Coco has remarkably uniform temperatures that mostly remain between 17.2°C (63°F) to 32.8°C (91°F) throughout the year.
The best times to visit Cayo Coco are from December to March during the winter when the temperatures are relatively mild. Tourists enjoy the clear blue skies and calm waters around the cay during the dry season. Nights are mild, and the all-inclusive resorts offer unrestricted access to the beaches in the absence of heavy rain. The chances of storms and extreme weather events are less during the winter months.

The worst time to visit Cayo Coco is during the hot summer from June to August, when the sunshine is intense. The sun rays can cause extreme discomfort as the island has a shortage of broad-leaf trees. The ultraviolet index of the sun remains at the peak during the wet season. High temperatures last throughout the day, while nights are warm at best. The rainfall is heavy, which means that vacation plans can be derailed at the drop of a hat.

Cayo Coco is prone to tropical cyclones, thunderstorms, and rainstorms in the wet season. June to October brings hurricanes to the coast frequently, some of which can be devastating like the Hurricane Irma of 2017. Thunderstorms and lightning pose a deadly combination, while extremely heavy bouts of rainfall are a substantial danger to the tourism on the reef. Climate changes and sea level rises pose a significant threat to the existence of the island.

January is the coldest month of the year in Cayo Coco, which is mild at the most with the average low temperature of 17.2°C (63°F). Weather in January »

February is a mild winter month in Cayo Coco with the average temperatures in the range of 17.8°C (64°F) to 27.8°C (82°F). Weather in February »

March is dry and warm in Cayo Coco with moderate rainfall to the tune of 50.8mm (2"). The average temperatures are in the comfortable 17.8°C (64°F) to 28.9°C (84°F) zone. Weather in March »

April is the sunniest month in Cayo Coco with brilliant sunshine that lasts a daily 9 hours. The weather is dry, and the skies are blue, which makes it a lovely period to visit the sandy island. Weather in April »

May begins the wet season in Cayo Coco with heavy rainfall of 165.1mm (6.5") during 12 wet days during the month. The transition from dry to wet weather is rapid. Weather in May »

June is the beginning of the hot summer in Cayo Coco as the wet season takes a firm hold on the island. The atmosphere is muggy with the humidity of more than 70%. Weather in June »

July is usually the hottest month in Cayo Coco as the average high temperature touches 32.8°C (91°F). The rainfall decreases a little to register 76.2mm (3"). Weather in July »

The average temperatures in August in Cayo Coco are in the hot zone of 25°C (77°F) to 32.8°C (91°F), but the cloud cover makes the heat feel even more. Weather in August »

September is a wet month in Cayo Coco with 152.4mm (6") of rainfall and mainly cloudy skies. The average temperatures are in the range of 22.8°C (73°F) to 32.2°C (90°F). Weather in September »

October is a time to avoid Cayo Coco as the hurricane season is at its peak, and the occasional storms bring 182.9mm (7.2") of rainfall to the island. Weather in October »

November is the last month of the wet season in Cayo Coco, which sees rainfall of 88.9mm (3.5"). The conditions are comfortable with a drop in humidity. Weather in November »

December is the driest month of the year in Cayo Coco, with the rainfall slightly less than 43.2mm (1.7"). The winter season brings mild temperatures in the range of 17.8°C (64°F) to 27.8°C (82°F). Weather in December »

What is the coldest month in Cayo Coco?

The coldest month in Cayo Coco is January, with an average high-temperature of 27°C (80.6°F) and an average low-temperature of 17°C (62.6°F).

How many days does it rain in Cayo Coco?

In Cayo Coco, during the entire year, the rain falls for 125 days and collects up to 1158mm (45.6") of precipitation.

What are the months with the coldest sea water in Cayo Coco?

January through March, with an average sea temperature of 25°C (77°F), are months with the coldest seawater in Cayo Coco, Cuba. 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.

What is the month with the highest UV index in Cayo Coco?

Months with the highest UV index are April through August, with an average UV index of 12.

When is the sea warmest in Cayo Coco?

June through October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Cayo Coco, Cuba. 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.

What are the warmest months in Cayo Coco?

Warmest months in Cayo Coco, Cuba, are July and August, with an average high-temperature of 33°C (91.4°F).

What is the wettest month in Cayo Coco?

The month with the most rainfall is October when the rain falls for 16 days and typically aggregates up to 184mm (7.2") of precipitation.

What is the driest month in Cayo Coco?

The month with the least rainfall in Cayo Coco, Cuba, is December when the rain falls for 7 days and typically collects 42mm (1.7") of precipitation.

What is the month with the lowest UV index in Cayo Coco?

With an average UV index of 6, December is the month with the lowest UV index.
Average rainfall - Cayo Coco, Cuba
Average rainfall days - Cayo Coco, Cuba
Average sea temperature - Cayo Coco, Cuba

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

Average daylight / Average sunshine - Cayo Coco, Cuba

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.8h).

The month with most sunshine is April (Average sunshine: 9h).
Months with least sunshine are January, February, June, September, October, November and December (Average sunshine: 7).

Average UV index - Cayo Coco, Cuba
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