Avoid showing off your belongings in public, avoid going to communities (favelas) alone, be careful with your belongings in tourist places, in the northeast (Salvador, Fortaleza, Recife) it is hot all year round, so bring light clothing if you are going to the southeast or south of the country (São Paulo, Rio, Belo Horizonte, Porto Alegre, Curitiba, Florianópolis) depending on the time of year it can get quite cold, from the end of May to August the weather gets cold in these regions, so you may need a coat.