April in Ulu-Yul is the rainiest month of the year. In April, the weather in Ulu-Yul is typically cold. Average daily high temperature in April is about 5 degrees above zero. On average, Ulu-Yul has 18 rainy, 8 cloudy, 2 sunny, 1 snowy, and 1 partly cloudy day in April. The rains are usually moderate. April as well as January, February, May, and September is considered the most uncomfortable time to visit Ulu-Yul.