August weather forecast
Fortuna, Costa Rica

The weather in August, mimics July in Fortuna, Costa Rica, maintaining a high rainfall and fairly stable temperatures. Despite the persistent rainfall, the allocation of daylight hours paves the way for potential outdoor assignments. The persistent high UV index calls for continuous application of sun protection measures. The transition into September forecasts similar rainfall and temperature patterns as observed in August.

Temperature

Fortuna starts August with an average high-temperature of a still warm 29°C (84.2°F), staying steady with the temperature in July. During the month of August, an average temperature of 22°C (71.6°F) is noted during the nights.

Rainfall

In Fortuna, Costa Rica, during August, the rain falls for 22 days and regularly aggregates up to 426mm (16.77") of precipitation. Throughout the year, there are 190 rainfall days, and 3508mm (138.11") of precipitation is accumulated.

Daylight

In Fortuna, the average length of the day in August is 12h and 28min.
On the first day of August in Fortuna, sunrise is at 05:27 and sunset at 18:02. On the last day of the month, sunrise is at 05:29 and sunset at 17:48 CST.

Sunshine

In August, the average sunshine in Fortuna is 6h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the UV index of 12 transforms into the following advice:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Avoid direct sun exposure for long periods, especially if prone to burns. Always apply a sunscreen with at least a 30 SPF.