January in Okino-Klyuchi is the cloudiest and the most freezing month of the year. In January, the weather in Okino-Klyuchi is typically freezing. Average daily high temperature in January is about 17 degrees below zero. On average, Okino-Klyuchi has 15 partly cloudy, 9 sunny, and 7 cloudy days in January. January as well as February and December is considered the most uncomfortable time to visit Okino-Klyuchi.