January in Kozyrevsk is the sunniest and the most freezing month of the year. In January, the weather in Kozyrevsk is typically freezing. Average daily high temperature in January is about 12 degrees below zero. On average, Kozyrevsk has 9 snowy, 9 sunny, 8 partly cloudy, and 5 cloudy days in January. The snowfalls are usually light. January as well as February, October, and December is considered the most uncomfortable time to visit Kozyrevsk.