What is the average annual temperature range of Antarctica?

Antarctica’s average annual temperature ranges from about −10°C on the coast to −60°C at the highest parts of the interior.

Near the coast, the temperature can exceed +10°C in summer and fall to below −40°C in winter. Over the elevated inland, it can rise to about −30°C in summer but fall below −80°C in winter.

The lowest temperature ever recorded on the Earth’s surface was −89.2°C at Vostok station on 21 July 1983.