4. Rio de Janeiro, Brazil
Rio. Brazil. Need we say more? We advise you to book well in advance if you wish to spend your holidays here. Rio de Janeiro is not one of TripAdvisor best destinations in South America. It is the best of them all! December is an excellent month for traveling to Brazil, and lots of tourists wish to spend their Christmas here. By the way, the incredible Rio Carnival is held a bit later – in February. Nevertheless, we are positive you’ll have the time of your life in December, too.
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