April weather forecast
Tamarindo, Costa Rica

Tamarindo, Costa Rica in April grapples with a significant spurt in rainfall, marking a sudden shift from the previous aridity to 33mm (1.3") of rainfall this month. Although the temperatures remain sizzling, this bountiful rainfall brings much-needed respite. However, the precipitation does not deter reveling in water sports as the sea temperature remains on the warmer side. The days remain sunlit for approximately 12.4 hours, hence adding to the allure of the beach life. Even as the rainfall starts mounting, April stays a delightful month to explore the city’s outdoor life.

Temperature

February through April are identified as the warmest months, with an average high-temperature of 33°C (91.4°F).

Rainfall

In Tamarindo, during April, the rain falls for 7 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, in Tamarindo, there are 171 rainfall days, and 1853mm (72.95") of precipitation is accumulated.

Sea temperature

In April, the average sea temperature is 28°C (82.4°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Tamarindo, the average length of the day in April is 12h and 22min.
On the first day of the month, sunrise is at 05:39 and sunset at 17:54. On the last day of April, sunrise is at 05:25 and sunset at 17:55 CST.

Sunshine

January through April, with an average of 8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, a daily UV index of 12 turns into the following recommendations:
Adopt all important safety measures, unprotected skin may burn rapidly. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.