a) 18.3 Degrees Celsius
b) 20.75 Degree Celsius
c) 21.2 Degree Celsius
d) 19.0 Degrees Celsius
Antarctica recorded its hottest-ever temperature of 20.75 degrees Celsius recently, according to the World Meteorological Organization. The highest temperature recorded previously in the continent was 18.3 Degrees Celsius, which was recorded in January 1982.