March in Sireniki is the sunniest month of the year. In March, the weather in Sireniki is typically freezing. Average daily high temperature in March is about 13 degrees below zero. On average, Sireniki has 13 sunny, 10 partly cloudy, 5 cloudy, and 3 snowy days in March. The snowfalls are usually light. March as well as January, February, May, and June is considered the most uncomfortable time to visit Sireniki.