April in Ust-Kamenka is the rainiest month of the year. In April, the weather in Ust-Kamenka is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Ust-Kamenka has 17 rainy, 9 cloudy, 3 sunny, and 1 partly cloudy day in April. The rains are usually moderate. April as well as January, February, October, and December is considered the most uncomfortable time to visit Ust-Kamenka.