Annual average weather for Costa Rica

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Annual Average Weather for Costa Rica

The annual average maximum daily temperature is 31.5°C (88.7°F) which is very hot and perfect for sunbathing on clear days. The annual average water temperature is typically 26.9°C (80.4°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 10.2 days of rain per month and 6.0 hours of sun per day.

When is the best time to visit Costa Rica?

The best months to visit Costa Rica are January, February, March, April, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between December and August when the sea temperature is above the average 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.

Can you sunbathe in Costa Rica year round?

Yes, you can sunbathe in Costa Rica all year round.

The coolest month in Costa Rica is December when the average maximum temperature is 31°C (88°F), average temperature is 26°C (79°F) and average minimum temperature is 22°C (71°F).

More info about the annual temperatures and sunshine.

Can you swim in Costa Rica year round?

Yes, you can swim in Costa Rica all year round.

The warmest sea water temperatures in Costa Rica are found in April when they peak at 29°C (83°F) and lowest in September when they dip to 24°C (74°F).

The sea temperature is above average for swimming between December and August when the sea temperature is above 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures

When is the hottest month in Costa Rica?

The hottest month in Costa Rica is April when the average maximum temperature is very hot and perfect for sunbathing on clear days 34°C (92°F), average temperature is 28°C (83°F) and average minimum temperature is 23°C (74°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Costa Rica?

The coolest month in Costa Rica is December when the average maximum temperature is 31°C (88°F), average temperature is 26°C (79°F) and average minimum temperature is 22°C (71°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Costa Rica?

The sunniest days in Costa Rica are in February which has the most hours of sunshine per day. In February the sunshine percentage is 66.3% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.

More info about the annual sunshine.

When is the least sunny month in Costa Rica?

October has the least sunshine. In October the sunshine percentage is 38% making it very cloudy and overcast with some periods of sunshine. There are 4.7 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Costa Rica?

The driest month in Costa Rica is February with 1cm (0.4inches) of rain and the least days of rain with 2.3 days with some rain, a very dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Costa Rica?

The wettest month in Costa Rica is October with 21.5cm (8.5inches) of rain and the most days of rain with 18.5 days with some rain, a wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Costa Rica?

The coldest sea water temperatures in Costa Rica are found in September when they dip to 24°C (74°F) which is warm and pleasant for relaxing and swimming for long periods.

More info about the annual sea temperatures.

When is the sea the warmest in Costa Rica?

The warmest sea water temperatures in Costa Rica are found in April when they peak at 29°C (83°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the most humid month in Costa Rica?

The most humid month in Costa Rica is June with a dew point (an indicator of humidity) of 24°C (75°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

More info about the annual humidity.

When is the least humid month in Costa Rica?

The least humid month in Costa Rica is February with a dew point of 20°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

More info about the annual humidity.

When is the windiest month in Costa Rica?

The most windy month in Costa Rica is February when the average maximum windspeed is 31KM/H (19MPH) and the average wind speed is 17KM/H (11MPH).

More info about the annual wind conditions.

Annual Temperature for Costa Rica

The hottest month in Costa Rica is April when the average maximum temperature is 34°C (92°F), average temperature is 28°C (83°F) and average minimum temperature is 23°C (74°F).

The coolest month in Costa Rica is December when the average maximum temperature is 31°C (31°F), average temperature is 26°C (79°F) and average minimum temperature is 22°C (71°F).

Annual Sunshine for Costa Rica

The longest days in Costa Rica are in June, with an average of 12.7 hours of daylight per day. December has the shortest days with an average of 11.5 hours of daylight per day.

The sunniest days in Costa Rica are in February which has the most hours of sunshine per day. The sunshine percentage is 66.3% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.

October has the least sunshine. The sunshine percentage is 38% making it very cloudy and overcast with some periods of sunshine. There are 4.7 hours of sunshine per day.

The ultraviolet index is the highest in April when it reaches 15.1 and lowest in December when it reaches 10.7.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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.

Annual Sea Temperature for Costa Rica

The warmest sea water temperatures in Costa Rica are found in April when they peak at 29°C (83°F) and lowest in September when they dip to 24°C (74°F).

The sea is best for swimming between December and August when the temperature is above 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.

Annual Rainfall for Costa Rica

The wettest month in Costa Rica is October with 21.5cm (8.5inches) of rain and the most days of rain with 18.5 days with some rain, a wet time to visit the beach.

The driest month in Costa Rica is February with 1cm (0.4inches) of rain and the least days of rain with 2.3 days with some rain, a very dry time to visit the beach.

Annual Humidity for Costa Rica

The most humid month in Costa Rica is June with a dew point (an indicator of humidity) of 24°C (75°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

The least humid month in Costa Rica is February with a dew point of 20°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

Annual Wind Speed for Costa Rica

The most windy month in Costa Rica is February when the average maximum windspeed is 31KM/H (19MPH) and the average wind speed is 17KM/H (11MPH).

The least windy month in Costa Rica is October when the average maximum windspeed is 17KM/H (11MPH) and the average wind speed is 7KM/H (4MPH).

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