Weather in Cayo Guillermo, Cuba in December

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Visiting Cayo Guillermo, Cuba in December

The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. December has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.1hrs making the days quite long and bright. It is a good time for sunbathing in Cayo Guillermo.

December has total rainfall of 6.3cm (2.5inches) making it dry with only light showers in the very few rainy days each month. There are just 2.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

Sea temperatures are a very warm 27°C (81°F). December is an excellent month for swimming in Cayo Guillermo with very comfortable temperatures for bathing all day. The sea temperature in December is slightly cooler than the previous month.

Consider visiting Cayo Guillermo in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for December.

Can you sunbathe in Cayo Guillermo in December?

Yes, December is a good time for sunbathing in Cayo Guillermo.

December has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.1hrs making the days quite long and bright. December has total rainfall of 6.3cm (2.5inches) making it dry with only light showers in the very few rainy days each month. There are just 2.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about December temperature and sunshine.

Can you swim in Cayo Guillermo in December?

Yes, December is an excellent month for swimming in Cayo Guillermo with very warm sea temperatures 27°C (81°F).

More about December sea temperatures.

Is December a good time to holiday in Cayo Guillermo?

Yes, December is a great time for a holiday in Cayo Guillermo.

December has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.1hrs making the days quite long and bright. December has total rainfall of 6.3cm (2.5inches) making it dry with only light showers in the very few rainy days each month. There are just 2.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. It is a good time for sunbathing in Cayo Guillermo. Sea temperatures are a very warm 27°C (81°F). December is an excellent month for swimming in Cayo Guillermo with very comfortable temperatures for bathing all day.

More about the December temperatures and sunshine.

Is Cayo Guillermo warm in December?

Yes, Cayo Guillermo is very warm and perfect for sunbathing on clear days in December.

The average maximum temperature in Cayo Guillermo in December is 27°C (80°F). The average maximum temperature is 27°C (81°) in the previous month and 26°C (79°F) in the next month.

The average temperature in Cayo Guillermo in December is 24°C (74°F). The average temperature is 25°C (76°F) in the previous month and 23°C (73°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Cayo Guillermo in December?

The average day light hours per day in Cayo Guillermo in December are 10.8. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.1hrs making the days quite long and bright.

More about December sunshine.

Temperature in Cayo Guillermo in December

The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. The average maximum temperature in Cayo Guillermo in December is 27°C (80°F). The average maximum temperature is 27°C (81°F) in the previous month and 26°C (79°F) in the next month.

The average temperature in Cayo Guillermo in December is 24°C (74°F). The average temperature is 25°C (76°F) in the previous month and 23°C (73°F) in the next month.

The average minimum temperature in Cayo Guillermo in December is 21°C (70°F). The minimum temperature is 22°C (72°F) in the previous month and 20°C (68°F) in the next month.

Sunshine in Cayo Guillermo in December

The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 10.8 per day in Cayo Guillermo. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.1hrs making the days quite long and bright.

The ultraviolet index in Cayo Guillermo in December is typically 6.2 during December. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Cayo Guillermo in December

The average sea water temperature in Cayo Guillermo in December is 27°C (80.6°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in December is slightly cooler than the previous month.

Rainfall in Cayo Guillermo in December

December weather is slightly drier than the previous month. December has a couple of less days of rain than the previous month and rainy days continue to drop slightly into January. The average total rainfall in Cayo Guillermo in December is 6.3cm (2.5inches) and on average there are 2.6 rainy days in December making it a very dry time to visit the beach.

Humidity in Cayo Guillermo in December

The maximum dew point (an indicator of humidity) in Cayo Guillermo in December is 20°C (69°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 21°C (70°F) in the previous month and 19°C (19°F) in the next month.

The average maximum relative humidity in Cayo Guillermo in December is typically 85.7%. The maximum relative humidity is 84.8% in the previous month and 85.6% in the next month.

The average relative humidity in Cayo Guillermo in December is typically 74.2%. The average relative humidity is 73.5% in the previous month and 72.9% in the next month.

Wind Speed in Cayo Guillermo in December

The average maximum wind speed in Cayo Guillermo in December is typically 27KM/H (16MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind speed in Cayo Guillermo in December is typically 16KM/H (10MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 16KM/H (10MPH) in the next month.

The average wind direction in Cayo Guillermo in December is from the East-Northeast.

Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.