August in Costa Dorada is the warmest month of the year. In August, the weather in Costa Dorada is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Costa Dorada has 25 sunny, 5 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as June and July is considered the most comfortable time to visit Costa Dorada.