January in Rheda-Wiedenbrück is the rainiest and the coldest month of the year. In January, the weather in Rheda-Wiedenbrück is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Rheda-Wiedenbrück has 20 rainy, 5 cloudy, 4 sunny, and 2 partly cloudy days in January. The rains are usually moderate. January as well as February, November, and December is considered the most uncomfortable time to visit Rheda-Wiedenbrück.