May in Balkhash is the windiest month of the year. In May, the weather in Balkhash is typically warm. Average daily high temperature in May is about 22 degrees above zero. On average, Balkhash has 24 sunny, 6 partly cloudy, and 1 rainy day in May. The rains are usually light. May as well as September is considered the most comfortable time to visit Balkhash.