In April, the weather in Semiletka is typically cold. Average daily high temperature in April is about 8 degrees above zero. On average, Semiletka has 16 cloudy, 7 rainy, 4 sunny, and 3 partly cloudy days in April. The rains are usually moderate. April as well as January, February, September, and October is considered the most uncomfortable time to visit Semiletka.