In April, the weather in Sinegorsk is typically cold. Average daily high temperature in April is about 3 degrees above zero. On average, Sinegorsk has 8 rainy, 7 sunny, 7 partly cloudy, 5 cloudy, and 3 snowy days in April. The rains are usually moderate. April as well as January, February, May, and August is considered the most uncomfortable time to visit Sinegorsk.