January in Sopot is the snowiest and the coldest month of the year. In January, the weather in Sopot is typically cold. Average daily high temperature in January is about 2 degrees above zero. On average, Sopot has 11 sunny, 9 partly cloudy, 5 cloudy, 3 rainy, and 3 snowy 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 Sopot.