January in Novyy Uoyan is the sunniest and the most freezing month of the year. In January, the weather in Novyy Uoyan is typically freezing. Average daily high temperature in January is about 17 degrees below zero. On average, Novyy Uoyan has 16 sunny and 15 partly cloudy days in January. January as well as February, May, November, and December is considered the most uncomfortable time to visit Novyy Uoyan.