July in Slavyanka is the rainiest and the cloudiest month of the year. In July, the weather in Slavyanka is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Slavyanka has 13 rainy, 7 partly cloudy, 6 cloudy, and 5 sunny days in July. The rains are usually heavy. July as well as January, March, May, and June is considered the most uncomfortable time to visit Slavyanka.