January in Olgovka is the snowiest and the most freezing month of the year. In January, the weather in Olgovka is typically freezing. Average daily high temperature in January is about 3 degrees below zero. On average, Olgovka has 20 cloudy, 6 snowy, 2 sunny, 2 partly cloudy, and 1 rainy day in January. The snowfalls are usually light.