Snow in Brazil

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Snow in São Joaquim, Santa Catarina. (August 2010)
Snow in Canela, Rio Grande do Sul. (August 2013)

Snow in Brazil occurs virtually every year in some cities located in the high plains of the southern states of Rio Grande do Sul, Santa Catarina, and Paraná. They account for approximately 23,000 km2 (8,900 sq mi) and are the coldest cities in the country. Snow can occur in the following regions: São Joaquim, Urubici, Urupema, and São José dos Ausentes, as well as Bom Jesus, Bom Jardim da Serra, Cambará do Sul, and Palmas.[1][2]

The greatest snowfall ever recorded in Brazil occurred in Vacaria on 7 August, 1897, with more than 2 meters of accumulated snow.[3][4] Snowfalls like this are extremely rare in Brazil, the three below being the only ones that reached(or passed) 1 meter:

  • 7 August 1879, in Vacaria, Rio Grande do Sul, with 2 meters of snow.
  • 20 July 1957, in São Joaquim, Santa Catarina, with 1.3 meters of snow. Often cited as the greatest snowfall in Brazil.[5]
  • 15 June 1985, in Itatiaia, Rio de Janeiro. 1 meter of snow.[6]

Although snow in Brazil is normally restricted to higher elevation, there are also many reports of snow at low elevation such as Ijuí[7] and Porto Alegre[8] (330 meters and 10 meters above sea level, respectively).

Besides these three states, snow also occurs more rarely in São Paulo (last time in Apiaí in 1975[9][10]) and Rio de Janeiro (last time at Itatiaia, at the Pico das Agulhas Negras, in 1985),[11] thus making five states with snow reported in the country.[12][13]

The city of São Paulo witnessed a phenomenon very similar to snow, called sublimation fog on June 26, 1918.[14] The low temperatures caused the city's water network to freeze.

The phenomenon occurs mainly during the months of June, July and August. In this period, São Joaquim receives an average of 13,000 visitors from other parts of Brazil.[15]

Snow in mountains near Florianópolis, Santa Catarina. (July 2013)

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