In February, the weather in Klyuchevsk is typically freezing. Average daily high temperature in February is about 7 degrees below zero. On average, Klyuchevsk has 11 cloudy, 6 snowy, 6 sunny, and 6 partly cloudy days in February. The snowfalls are usually light. February as well as January, September, October, and December is considered the most uncomfortable time to visit Klyuchevsk.