December in Bol'shaya Izhora is the snowiest and the windiest month of the year. In December, the weather in Bol'shaya Izhora is typically freezing. Average daily high temperature in December is about 1 degree below zero. On average, Bol'shaya Izhora has 17 snowy, 12 cloudy, and 2 rainy days in December. The snowfalls are usually moderate.