In the Southern Hemisphere, summer runs from December to March and winter from June to September. But because Brazil straddles the equator, the “season” you experience in January could be a tropical monsoon in Rio or a dry, pleasant breeze in Salvador.
When people think of Brazil, they usually picture two things: blazing sun and the Amazon rainforest. But here’s the secret Brazil doesn’t shout from the rooftops: brazil seasons by month
March to June. Transition to drier weather with milder temperatures in the south. In the Southern Hemisphere, summer runs from December