August in Gorno-Altaysk is the sunniest month of the year. In August, the weather in Gorno-Altaysk is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Gorno-Altaysk has 13 sunny, 9 partly cloudy, 8 rainy, and 1 cloudy day in August. The rains are usually light. August as well as June is considered the most comfortable time to visit Gorno-Altaysk.