Travel advice for Brazil.

The rainy season runs from November to March in the south and south east and from April to July in the north east of the country.  Floods and landslides have affected some cities in the state of Rio de Janeiro. Monitor local media and follow advice given by the local authorities. See Natural Disasters

 

Levels of crime and violence are high, particularly in major cities. You should be particularly vigilant before and during the festive and Carnival periods. Bank card fraud is common. See Crime 

149,564 British nationals visited Brazil in 2011. Most visits are trouble free. See Consular assistance statistics
There is an underlying threat from terrorism. See Terrorism

Drug trafficking is widespread in Brazil, and incurs severe penalties. See Local Laws and Customs

 

Take out comprehensive travel and medical insurance before you travel.

http://www.fco.gov.uk/en/travel-and-living-abroad/travel-advice-by-country/south-america/brazil1