April in Nizhneudinsk is the rainiest month of the year. In April, the weather in Nizhneudinsk is typically cold. Average daily high temperature in April is about 5 degrees above zero. On average, Nizhneudinsk has 23 rainy, 4 cloudy, and 3 sunny days in April. The rains are usually moderate. April as well as January, February, May, and September is considered the most uncomfortable time to visit Nizhneudinsk.