January in Slavyansk-na-Kubani is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Slavyansk-na-Kubani is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Slavyansk-na-Kubani has 10 cloudy, 10 partly cloudy, 6 rainy, 3 sunny, and 2 snowy days in January. The rains are usually moderate. January as well as February, March, November, and December is considered the most uncomfortable time to visit Slavyansk-na-Kubani.