In October, the weather in Sireniki is typically freezing. Average daily high temperature in October is about zero. On average, Sireniki has 10 cloudy, 6 rainy, 5 snowy, 5 sunny, and 5 partly cloudy days in October. The rains are usually heavy. October as well as January, February, March, and May is considered the most uncomfortable time to visit Sireniki.