December in Malmo is the rainiest month of the year. In December, the weather in Malmo is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Malmo has 22 rainy, 6 cloudy, 2 sunny, and 1 partly cloudy day in December. The rains are usually moderate. December as well as January, February, March, and October is considered the most uncomfortable time to visit Malmo.