January in Strasbourg is the coldest month of the year. In January, the weather in Strasbourg is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Strasbourg has 14 rainy, 7 cloudy, 6 sunny, and 4 partly cloudy days in January. The rains are usually light. January as well as February and December is considered the most uncomfortable time to visit Strasbourg.