January in Malgrat de Mar is the coldest month of the year. In January, the weather in Malgrat de Mar is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Malgrat de Mar has 11 sunny, 10 partly cloudy, 8 rainy, and 2 cloudy days in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Malgrat de Mar.