In October, the weather in Primorsk is typically cold. Average daily high temperature in October is about 3 degrees above zero. On average, Primorsk has 13 rainy, 6 cloudy, 5 partly cloudy, 4 snowy, and 3 sunny days in October. The rains are usually moderate. October as well as January, February, April, and May is considered the most uncomfortable time to visit Primorsk.