Bases in the interior can get -80 Celsius and lower during the polar winter. The British base is IIRC on the coast, so it might be less, but still very deadly i

Bases in the interior can get -80 Celsius and lower during the polar winter. The British base is IIRC on the coast, so it might be less, but still very deadly if you end up outside of the base without proper equipment and supplies for any duration.