January in Zelenogradsk is the snowiest and the most freezing month of the year. In January, the weather in Zelenogradsk is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Zelenogradsk has 12 snowy, 10 cloudy, 7 rainy, and 2 sunny days in January. The snowfalls are usually moderate.