July in Costa Dorada is the sunniest month of the year. In July, the weather in Costa Dorada is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Costa Dorada has 28 sunny, 2 partly cloudy, and 1 rainy day in July. The rains are usually light. July as well as June and August is considered the most comfortable time to visit Costa Dorada.