Weather in Osa Peninsula, Costa Rica in December

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Visiting Osa Peninsula, Costa Rica in December

The weather in December is marginally warmer than the previous month and temperatures continue to rise slightly into January. December has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day. It is a good time for sunbathing in Osa Peninsula.

December has total rainfall of 3.6cm (1.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.8 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 Osa Peninsula with very comfortable temperatures for bathing all day. The sea temperature in December is marginally warmer than the previous month and temperatures continue to rise slightly into January.

Consider visiting Osa Peninsula 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 Osa Peninsula in December?

Yes, December is a good time for sunbathing in Osa Peninsula.

December has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day. December has total rainfall of 3.6cm (1.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.8 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 Osa Peninsula in December?

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

More about December sea temperatures.

Is December a good time to holiday in Osa Peninsula?

Yes, December is a great time for a holiday in Osa Peninsula.

December has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day. December has total rainfall of 3.6cm (1.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.8 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 Osa Peninsula. Sea temperatures are a very warm 26°C (78°F). December is an excellent month for swimming in Osa Peninsula with very comfortable temperatures for bathing all day.

More about the December temperatures and sunshine.

Is Osa Peninsula warm in December?

Yes, Osa Peninsula is very hot and perfect for sunbathing on clear days in December.

The average maximum temperature in Osa Peninsula in December is 31°C (88°F). The average maximum temperature is 30°C (86°) in the previous month and 32°C (89°F) in the next month.

The average temperature in Osa Peninsula in December is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 27°C (80°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Osa Peninsula in December?

The average day light hours per day in Osa Peninsula in December are 11.5. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day.

More about December sunshine.

Temperature in Osa Peninsula in December

The weather in December is marginally warmer than the previous month and temperatures continue to rise slightly into January. The average maximum temperature in Osa Peninsula in December is 31°C (88°F). The average maximum temperature is 30°C (86°F) in the previous month and 32°C (89°F) in the next month.

The average temperature in Osa Peninsula in December is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 27°C (80°F) in the next month.

The average minimum temperature in Osa Peninsula in December is 22°C (71°F). The minimum temperature is 22°C (72°F) in the previous month and 22°C (72°F) in the next month.

Sunshine in Osa Peninsula in December

The days in December are slightly shorter than the previous month. December has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise quickly into January. During December the average day light hours are 11.5 per day in Osa Peninsula. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day.

The ultraviolet index in Osa Peninsula in December is typically 10.7 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 Osa Peninsula in December

The average sea water temperature in Osa Peninsula in December is 25.8°C (78.4°F) which is warm and pleasant for relaxing and swimming for long periods. The sea temperature in December is marginally warmer than the previous month and temperatures continue to rise slightly into January.

Rainfall in Osa Peninsula in December

December weather is marginally drier than the previous month and rainfall continues to drop slightly into January. December has far fewer days of rain than the previous month and rainy days continue to drop slightly into January. The average total rainfall in Osa Peninsula in December is 3.6cm (1.4inches) and on average there are 4.8 rainy days in December making it a very dry time to visit the beach.

Humidity in Osa Peninsula in December

The maximum dew point (an indicator of humidity) in Osa Peninsula in December is 21°C (70°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 23°C (73°F) in the previous month and 20°C (20°F) in the next month.

The average maximum relative humidity in Osa Peninsula in December is typically 86.8%. The maximum relative humidity is 92.5% in the previous month and 80.7% in the next month.

The average relative humidity in Osa Peninsula in December is typically 65.4%. The average relative humidity is 74.4% in the previous month and 58.8% in the next month.

Wind Speed in Osa Peninsula in December

The average maximum wind speed in Osa Peninsula in December is typically 25KM/H (16MPH). The average maximum wind speed is 21KM/H (13MPH) in the previous month and 30KM/H (18MPH) in the next month.

The average wind speed in Osa Peninsula in December is typically 12KM/H (7MPH). The average wind speed is 9KM/H (5MPH) in the previous month and 16KM/H (10MPH) in the next month.

The average wind direction in Osa Peninsula in December is from the South 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.