Weather in Guanacaste Region, Costa Rica in December

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Visiting Guanacaste Region, Costa Rica in December

December is one of the best months to visit Guanacaste Region for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

December has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. December has total rainfall of 1.2cm (0.5inches) making it extremely dry with only very rare light showers. There are just 1.9 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 26°C (78°F). December is an excellent month for swimming in Guanacaste Region with very comfortable temperatures for bathing all day.

Also consider visiting Guanacaste Region in one of the other best months of January, February, March, for the best beach weather.

Also consider one of our other suggestions for December.

Can you sunbathe in Guanacaste Region in December?

Yes, December is a good time for sunbathing in Guanacaste Region.

December has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. December has total rainfall of 1.2cm (0.5inches) making it extremely dry with only very rare light showers. There are just 1.9 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 Guanacaste Region in December?

Yes, December is an excellent month for swimming in Guanacaste Region with very warm sea temperatures 26°C (78°F).

More about December sea temperatures.

Is December a good time to holiday in Guanacaste Region?

Yes, December is a great time for a holiday in Guanacaste Region.

December has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. December has total rainfall of 1.2cm (0.5inches) making it extremely dry with only very rare light showers. There are just 1.9 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 26°C (78°F). December is an excellent month for swimming in Guanacaste Region with very comfortable temperatures for bathing all day.

More about the December temperatures and sunshine.

Is Guanacaste Region warm in December?

Yes, Guanacaste Region is very hot and perfect for sunbathing on clear days in December.

The average maximum temperature in Guanacaste Region in December is 32°C (89°F). The average maximum temperature is 31°C (88°) in the previous month and 33°C (91°F) in the next month.

The average temperature in Guanacaste Region in December is 27°C (80°F). The average temperature is 26°C (80°F) in the previous month and 28°C (82°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Guanacaste Region in December?

The average day light hours per day in Guanacaste Region in December are 11.5. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

More about December sunshine.

Temperature in Guanacaste Region in December

The average maximum temperature in Guanacaste Region in December is 32°C (89°F). The average maximum temperature is 31°C (88°F) in the previous month and 33°C (91°F) in the next month.

The average temperature in Guanacaste Region in December is 27°C (80°F). The average temperature is 26°C (80°F) in the previous month and 28°C (82°F) in the next month.

The average minimum temperature in Guanacaste Region in December is 22°C (71°F). The minimum temperature is 22°C (71°F) in the previous month and 23°C (73°F) in the next month.

Sunshine in Guanacaste Region in December

During December the average day light hours are 11.5 per day in Guanacaste Region. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

The ultraviolet index in Guanacaste Region in December is typically 10.4 during December. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. 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 Guanacaste Region in December

The average sea water temperature in Guanacaste Region in December is 25.5°C (77.9°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Guanacaste Region in December

The average total rainfall in Guanacaste Region in December is 1.2cm (0.5inches) and on average there are 1.9 rainy days in December making it an extremely dry time to visit the beach.

Humidity in Guanacaste Region in December

The maximum dew point (an indicator of humidity) in Guanacaste Region in December is 21°C (70°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 23°C (73°F) in the previous month and 19°C (19°F) in the next month.

The average maximum relative humidity in Guanacaste Region in December is typically 84.9%. The maximum relative humidity is 92.2% in the previous month and 77.3% in the next month.

The average relative humidity in Guanacaste Region in December is typically 59.9%. The average relative humidity is 70.9% in the previous month and 52.7% in the next month.

Wind Speed in Guanacaste Region in December

The average maximum wind speed in Guanacaste Region in December is typically 28KM/H (17MPH). The average maximum wind speed is 22KM/H (14MPH) in the previous month and 33KM/H (21MPH) in the next month.

The average wind speed in Guanacaste Region in December is typically 14KM/H (8MPH). The average wind speed is 9KM/H (6MPH) in the previous month and 19KM/H (12MPH) in the next month.

The average wind direction in Guanacaste Region in December is from the East.

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.