January in Nizhneangarsk is the sunniest and the most freezing month of the year. In January, the weather in Nizhneangarsk is typically freezing. Average daily high temperature in January is about 15 degrees below zero. On average, Nizhneangarsk has 18 sunny and 13 partly cloudy days in January. January as well as February and December is considered the most uncomfortable time to visit Nizhneangarsk.