December weather forecast and climate
Cayo Santa María, Cuba

The first month of the winter, December, is also a warm month in Cayo Santa María, Cuba, with average temperature ranging between max. 27°C (80.6°F) and min. 19°C (66.2°F).

Temperature

The coldest months in Cayo Santa María are January, February and December, with an average high-temperature of 27°C (80.6°F).

Rainfall

In December, the rain falls for 7 days. Throughout December, 39mm (1.5") of precipitation is accumulated. In Cayo Santa María, during the entire year, the rain falls for 125 days and collects up to 1280mm (50.4") of precipitation.

Sea temperature

In December, the average sea temperature is 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

With an average of 10.8h of daylight, December has the shortest days of the year in Cayo Santa María.

Sunshine

January, February, June, September through December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

December is the month with the lowest UV index, with an average UV index of 6.

What are the coldest months in Cayo Santa María?

January, February and December, with an average high-temperature of 27°C (80.6°F), are the coldest months.

What is the temperature in December in Cayo Santa María?

In Cayo Santa María, in December, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 19°C (66.2°F).

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

In December, in Cayo Santa María, Cuba, the rain falls for 7 days. Throughout December, 39mm (1.5") of precipitation is accumulated.

What is the water temperature in December in Cayo Santa María?

In Cayo Santa María, in December, the average water temperature is 26°C (78.8°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.

What is the month with the shortest days in Cayo Santa María?

December has the shortest days of the year in Cayo Santa María, Cuba, with an average of 10.8h of daylight.

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

In December, the average length of the day in Cayo Santa María, Cuba, is 10.8h.

What is the month with the least sunshine in Cayo Santa María?

January, February, June, September through December, with an average of 7h of sunshine, are months with the least sunshine in Cayo Santa María.

How long on average sun shines in December in Cayo Santa María?

In December, the average sunshine is 7h.

When is the lowest UV index in Cayo Santa María?

The month with the lowest UV index in Cayo Santa María, Cuba, is December, with an average UV index of 6.

What is the UV index intensity in December in Cayo Santa María?

The average UV index in December in Cayo Santa María, Cuba, is 6.
Average temperature in December - Cayo Santa María, Cuba
  • Average high temperature in December: 27°C

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

  • Average low temperature in December: 19°C

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

Average rainfall in December - Cayo Santa María, Cuba
  • Average rainfall in December: 39mm

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

Average rainfall days in December - Cayo Santa María, Cuba
  • Average rainfall days in December: 7 days

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

Average sea temperature in December - Cayo Santa María, Cuba
  • Average sea temperature in December: 26°C

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 in December / Average sunshine in December - Cayo Santa María, Cuba
  • Average daylight in December: 10.8h

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

  • Average sunshine in December: 7h

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

Average UV index in December - Cayo Santa María, Cuba
  • Average UV index in December: 6

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).

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