January in Dundee is the coldest month of the year. In January, the weather in Dundee is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Dundee has 16 rainy, 5 sunny, 5 cloudy, and 5 partly cloudy days in January. The rains are usually moderate. January as well as February, June, July, and August is considered the most uncomfortable time to visit Dundee.