In February, the weather in Bolshoye Ozero is typically freezing. Average daily high temperature in February is about 12 degrees below zero. On average, Bolshoye Ozero has 21 cloudy, 4 partly cloudy, 3 sunny, and 1 snowy day in February. The snowfalls are usually light. February as well as January, April, May, and September is considered the most uncomfortable time to visit Bolshoye Ozero.