Heat wave in Brazil: up to 62.3°C felt in Rio de Janeiro, a record. In Sao Paulo, the largest city in South America with double the population of Rio, more than 12 million, Saturday was the hottest day of the year with the mercury rising to 34.7° vs.
34.3ºC. Experts attribute these extreme phenomena and meteorological instability to climate change and El Nino phenomenon, which affects the southern coast of Latin America from Argentina to Chile.