May in Russkaya Tsilna is the rainiest month of the year. In May, the weather in Russkaya Tsilna is typically warm. Average daily high temperature in May is about 18 degrees above zero. On average, Russkaya Tsilna has 13 rainy, 10 sunny, 7 partly cloudy, and 1 cloudy day in May. The rains are usually moderate.