April in Bol'shoe Kozino is the rainiest month of the year. In April, the weather in Bol'shoe Kozino is typically cold. Average daily high temperature in April is about 9 degrees above zero. On average, Bol'shoe Kozino has 13 rainy, 12 cloudy, 4 sunny, and 1 partly cloudy day in April. The rains are usually light. April as well as January, October, and November is considered the most uncomfortable time to visit Bol'shoe Kozino.