Here in Brazil, during the month of June, we celebrate 3 saints: Saint Anthony, Saint John and Saint Peter, with junine parties at open air, by night. The nights are usually cold, we soon will be in winter.We light a bonfire, and play and eat delicious things. It is a popular celebration in Brazil, with folkloric dances, too.
"Noite de São João" means "night of S. Peter" which is celebrated on June 24th.