In April, the weather in Ust'-Yansky natsional'nyy nasleg is typically freezing. Average daily high temperature in April is about 10 degrees below zero. On average, Ust'-Yansky natsional'nyy nasleg has 13 cloudy, 11 partly cloudy, 5 sunny, and 1 snowy day in April. The snowfalls are usually light. April as well as January, February, March, and October is considered the most uncomfortable time to visit Ust'-Yansky natsional'nyy nasleg.