In April, the weather in Udmurtskiye Klyuchi is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Udmurtskiye Klyuchi has 9 partly cloudy, 7 sunny, 7 cloudy, 6 rainy, and 1 snowy day in April. The rains are usually moderate. April as well as January, February, September, and October is considered the most uncomfortable time to visit Udmurtskiye Klyuchi.