Annual average weather for Tamarindo Bay, Costa Rica

Annual Temperature for Tamarindo Bay

The hottest month in Tamarindo Bay is April when the average maximum temperature is 35°, average temperature is 29° and average minimum temperature is 24°.

The coolest month in Tamarindo Bay is December when the average maximum temperature is 32°, average temperature is 27° and average minimum temperature is 22°.

Annual Sunshine for Tamarindo Bay

The longest days in Tamarindo Bay 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 Tamarindo Bay are in February which has the most hours of sunshine per day with an average of 9.8 hours of sunshine per day, making it a sunny month with few clouds. October has the least sunshine with an average of 5.4 hours of sunshine per day, making it a sunny month that is overcast at times.

The ultraviolet index is the highest in April when it reaches 14.9 and lowest in December when it reaches 10.4.

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 Tamarindo Bay

The warmest sea water temperatures in Tamarindo Bay are found in March when they peak at 29° and lowest in December when they dip to 25°.

The sea is best for swimming between December and June when the temperature is above 27° which is very warm and ideal for relaxing and swimming for the whole day.

Annual Rainfall for Tamarindo Bay

The wettest month in Tamarindo Bay is October with 24.9cm of rain and the most days of rain with 20.1 days with some rain, a very wet time to visit the beach.

The driest month in Tamarindo Bay is January with 0.3cm of rain and March has the fewest days of rain with 0.1 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Tamarindo Bay

The most humid month in Tamarindo Bay is September with a dew point (an indicator of humidity) of 25° 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 Tamarindo Bay is February with a dew point of 19° which is somewhat uncomfortable for most people in cities but fine on a beach.

Annual Wind Speed for Tamarindo Bay

The most windy month in Tamarindo Bay is February when the average maximum windspeed is 35kmh and the average wind speed is 20kmh.

The least windy month in Tamarindo Bay is October when the average maximum windspeed is 17kmh and the average wind speed is 7kmh.

Monthly Averages

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