In May, the weather in Sayany is typically cold. Average daily high temperature in May is about 4 degrees above zero. On average, Sayany has 10 rainy, 9 partly cloudy, 6 sunny, 5 cloudy, and 1 snowy day in May. The rains are usually light. May as well as January, February, March, and November is considered the most uncomfortable time to visit Sayany.