April in Kolashin is the rainiest month of the year. In April, the weather in Kolashin is typically cold. Average daily high temperature in April is about 9 degrees above zero. On average, Kolashin has 20 rainy, 6 sunny, 3 partly cloudy, and 1 cloudy day in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Kolashin.