January in Slavyansk-na-Kubani is the snowiest 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 15 cloudy, 8 rainy, 5 sunny, 2 partly cloudy, and 1 snowy day in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit Slavyansk-na-Kubani.