January in Costa Dorada is the coldest month of the year. In January, the weather in Costa Dorada is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Costa Dorada has 14 sunny, 13 partly cloudy, and 4 rainy days in January. The rains are usually light. January as well as February and December is considered the most uncomfortable time to visit Costa Dorada.