Reuters and other news agencies noted that an Argentine research station on the northern tip of the Antarctic peninsula set a new continental record high of 63.5 F on March 24, 2015, but said that the data was not officially recognized until it was recently reviewed, according to the World Meteorological Organization.  The heat record for the broader Antarctic region, defined as anywhere south of 60 degrees latitude, was 19.8°C (67.6°F) on Jan. 30, 1982 on Signy Island in the South Atlantic, the report said.  You can read more about the records at https://www.reuters.com/article/us-antarctica-temperatures-idUSKBN1684I7.

Source: National Snow and Ice Data Center