January in Namangan is the coldest month of the year. In January, the weather in Namangan is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Namangan has 14 partly cloudy, 10 sunny, 5 cloudy, and 2 rainy days in January. The rains are usually light. January as well as February and December is considered the most uncomfortable time to visit Namangan.