According to the University of Wisconsin-Madison’s Space Science and Engineering Center (SSEC), on Christmas Day the South Pole recorded its highest temperature on record: 9.9F (-12.3C).
On June 23, 1982, the temperature at the South Pole site reached a record low of -117F (-82.8C).
The SSEC said “the prior record high temperature at South Pole was recorded on 27 December, 1978,” when the mercury hit a high of 7.5F (-13.6C).”
The average temperature in December at the South Pole is -15.7F (-26.5C).
Records have been kept at the Amundsen-Scott South Pole site since 1957.