http://www.sci-news.com/othersciences/geophysics/coldest-place-on-earth-east-antarctica-06137.htmlColdest Place on Earth: Study Explains East Antarctica’s Ultra-Low Surface Temperatures
minus 93 degrees Celsius
They observed snow surface temperatures regularly dropping below minus 90 degrees Celsius (minus 130 degrees Fahrenheit) almost every winter in a broad region of the plateau, more than 3,500 m (11,000 feet) above sea level.
“The record of minus 98 degrees Celsius is about as cold as it is possible to get at Earth’s surface.
https://www.cnbeta.com/articles/science/740787.htm