The municipality contains part of the 271,197 hectares (670,140 acres) Gurupi Biological Reserve, a full protected conservation unit created in 1988. Average annual rainfall is 2,169 millimetres (85.4 in).
Temperatures range from 22 to 32 °C (72 to 90 °F) with an average of 27 °C (81 °F).[6]
^"Divisão Territorial do Brasil" (in Portuguese). Divisão Territorial do Brasil e Limites Territoriais, Instituto Brasileiro de Geografia e Estatística (IBGE). July 1, 2008. Retrieved December 17, 2009.