December in Marbella is the cloudiest month of the year. In December, the weather in Marbella is typically warm. Average daily high temperature in December is about 13 degrees above zero. On average, Marbella has 9 rainy, 8 sunny, 8 partly cloudy, and 6 cloudy days in December. The rains are usually heavy. December as well as January, February, March, and November is considered the most uncomfortable time to visit Marbella.