January in Olekma is the sunniest and the most freezing month of the year. In January, the weather in Olekma is typically freezing. Average daily high temperature in January is about 20 degrees below zero. On average, Olekma has 16 partly cloudy and 15 sunny days in January. January as well as February, March, May, and September is considered the most uncomfortable time to visit Olekma.