January in Wroclaw is the cloudiest and the coldest month of the year. In January, the weather in Wroclaw is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Wroclaw has 18 cloudy, 8 rainy, 3 sunny, and 2 partly cloudy days in January. The rains are usually light. January as well as February, March, November, and December is considered the most uncomfortable time to visit Wroclaw.