January in Memmingen is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Memmingen is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Memmingen has 15 rainy, 10 cloudy, 3 snowy, and 3 sunny days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Memmingen.