 Due to its vast size and range of altitudes , Argentina possesses a wide variety of climatic regions , ranging from the hot subtropical region in the north to the cold subantarctic in the far south . Lying between those is the Pampas region , featuring a mild and humid climate . Many regions have different , often contrasting , microclimates . In general , the weather is moderated by the presence of the Andes Mountains to the west and the Atlantic Ocean to the east . The high altitude areas of the Andes are characterized by strong winds and low temperatures , while the lowlands are warm and humid . The extreme south of the country has a