In February, the weather in Ust-Omchug is typically freezing. Average daily high temperature in February is about 27 degrees below zero. On average, Ust-Omchug has 19 cloudy, 5 partly cloudy, 3 sunny, and 2 snowy days in February. The snowfalls are usually light. February as well as January, March, November, and December is considered the most uncomfortable time to visit Ust-Omchug.