May in Altay is the windiest month of the year. In May, the weather in Altay is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Altay has 13 rainy, 10 sunny, 7 partly cloudy, and 1 cloudy day in May. The rains are usually moderate. May as well as January, February, April, and June is considered the most uncomfortable time to visit Altay.