The hottest weather in South America occurs in Argentina's Gran Chaco, where the temperature reaches 110 degrees F. (43 degrees C). Temperatures in the Amazon region generally range from 70 degrees to 90 degrees F. (21 degrees to 32 degrees C) and rarely reach 100 degrees F. (38 degrees C). South of the equator, summer lasts from late December to late March, and winter runs from late June to late September. In the far south of Argentina, the temperature generally ranges from 32 degrees F. (0 degrees C) in July to 60 degrees F. (16 degrees C) in January, but it has dropped to as low as -27 degrees F. (-33 degrees C).