Is Australia's southernmost island colder than Antarctica?

No. Australia's southernmost island is Phillip Island also known as Penguin Island, an island in the mouth of Westport Bay in southern Victoria, Australia, which is connected to San Remo on the mainland by a bridge built on the east side of the island, shaped like a dolphin. The island's Phillip Island Nature Park has attractions such as the Penguin Ecological Reserve, the Churchill Island Traditional Farm, the Koala Conservation Center and the New Nobis Center. The average year-round temperature of the island is -20 degrees Celsius, the average temperature of the Antarctic is at -40 degrees Celsius, the island is not colder than the Antarctic, Antarctic glaciers Antarctica is divided into two parts, East Antarctica and West Antarctica. East Antarctica extends from 30 ° W to 170 ° E, including Coates Land, Queen Maud Land, Enderby Land, Wilkes Land, George V Coast, Victoria Land, Antarctic Plateau and the pole.