In February, the weather in Ust-Ilga is typically freezing. Average daily high temperature in February is about 14 degrees below zero. On average, Ust-Ilga has 12 cloudy, 7 sunny, 6 snowy, and 4 partly cloudy days in February. The snowfalls are usually light. February as well as January, September, November, and December is considered the most uncomfortable time to visit Ust-Ilga.