Savannah's climate is classified as humid subtropical (Köppen "Cfa"). In the Deep South, this is characterized by long and almost tropical summers and short, mild winters. Savannah records few days of freezing temperatures each year (and has rare snowfall). Due to its proximity to the Atlantic coast, Savannah rarely experiences temperatures as extreme as those in Georgia's interior. Nevertheless, the extreme temperatures have officially ranged from , on July 20, 1986 and July 12, 1879, down to during the January 1985 Arctic outbreak.