January in Donaueschingen is the snowiest and the coldest month of the year. In January, the weather in Donaueschingen is typically freezing. Average daily high temperature in January is about zero. On average, Donaueschingen has 15 snowy, 8 rainy, 5 cloudy, and 3 sunny days in January. The snowfalls are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Donaueschingen.