In April, the weather in Gorno-Altaysk is typically warm. Average daily high temperature in April is about 10 degrees above zero. On average, Gorno-Altaysk has 13 rainy, 8 cloudy, 7 sunny, and 2 partly cloudy days in April. The rains are usually moderate. April as well as January, February, March, and October is considered the most uncomfortable time to visit Gorno-Altaysk.