January in Kovalyovka is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Kovalyovka is typically freezing. Average daily high temperature in January is about 2 degrees below zero. On average, Kovalyovka has 17 snowy, 12 cloudy, 1 sunny, and 1 partly cloudy day in January. The snowfalls are usually light.