January in Yuzhno-Morskoy is the sunniest and the most freezing month of the year. In January, the weather in Yuzhno-Morskoy is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Yuzhno-Morskoy has 30 sunny and 1 partly cloudy day in January. January as well as March and November is considered the most uncomfortable time to visit Yuzhno-Morskoy.