January in Boz is the coldest month of the year. In January, the weather in Boz is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Boz has 12 cloudy, 9 partly cloudy, 7 sunny, and 3 rainy days in January. The rains are usually moderate. January as well as February and December is considered the most uncomfortable time to visit Boz.