May in Kislovodsk is the rainiest and the cloudiest month of the year. In May, the weather in Kislovodsk is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Kislovodsk has 26 rainy and 5 sunny days in May. The rains are usually heavy. May as well as March, April, and June is considered the most uncomfortable time to visit Kislovodsk.