Between July and September 2023, a heat wave hit South America, leading to temperatures in many areas above 95 °F (35 °C) in midwinter, often 40–45 °F (22–25 °C) degrees above typical.
The heat wave was especially severe in northern Argentina and Chile, along neighboring areas in and around the Andes Mountains.
During the third week of the month, locations in Argentina, Bolivia, Paraguay, and Uruguay set records for July temperatures.
[4] A heat wave in Brazil started in central and western regions on November 7, when temperatures reached 42 °C in Mato Grosso do Sul.
[5][10][11] On November 17, 2023, around a thousand people fainted during a show of American singer Taylor Swift's The Eras Tour, held at the Nilton Santos Olympic Stadium, in Rio de Janeiro.