Which is colder, Vladivostok or South Sakhalinsk?

South Sakhalinsk. Vladivostok was affected by the Siberian cold high in the last winter. It was a cold and long season from the end of 10 to the end of March the following year, with the lowest temperature reaching -40℃. South Sakhalinsk, the coldest temperature in winter can reach MINUS 70 degrees Celsius, which is called the cold pole in the northern hemisphere. In contrast, South Sakhalinsk is colder. South Sakhalinsk is located on the island, close to the sea, and has the characteristics of maritime climate, which makes the temperature in the whole year far less than that in the temperate monsoon climate zone in northeast China, so the temperature is very low.