If you planning to travel to Avellana Beach, Tamarindo, Costa Rica, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:38 AM. The temperature feels like 78.85 with a humidity level of 90 so dress accordingly. Cloud coverage is 77 percent with visibility at 5 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 11:18 PM.