January in Kotelnich is the most freezing month of the year. In January, the weather in Kotelnich is typically freezing. Average daily high temperature in January is about 11 degrees below zero. On average, Kotelnich has 16 cloudy, 13 snowy, and 2 sunny days in January. The snowfalls are usually light. January as well as April and October is considered the most uncomfortable time to visit Kotelnich.