January in Salzburg is the snowiest and the coldest month of the year. In January, the weather in Salzburg is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Salzburg has 11 rainy, 6 snowy, 6 sunny, 5 cloudy, and 3 partly cloudy 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 Salzburg.