December weather forecast and climate
Cayo Guillermo, Cuba

What is the temperature in December in Cayo Guillermo?

In Cayo Guillermo, in December, the average high-temperature is 28°C (82.4°F), and the average low-temperature is 18°C (64.4°F).

How much does it rain in Cayo Guillermo in December?

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

What is the sea water temperature in December in Cayo Guillermo?

The average seawater temperature, in December, in Cayo Guillermo, 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.
Average temperature in December - Cayo Guillermo, Cuba
  • Average high temperature in December: 28°C

Warmest months (with the highest average high temperature) are July and August (33°C).
The month with the lowest average high temperature is January (27°C).

  • Average low temperature in December: 18°C

Months with the highest average low temperature are June, July and August (23°C).
Coldest months (with the lowest average low temperature) are January and February (17°C).

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

The wettest month (with the highest rainfall) is October (182mm).
The driest month (with the lowest rainfall) is December (39mm).

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

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

Average sea temperature in December - Cayo Guillermo, 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 Guillermo, 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

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 in December - Cayo Guillermo, 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).

deutscheenglishespañolрусский中文