Sao Paulo sports a subtropical climate making the summer sweltering, monsoons thunderous and mild winters. Your decision to visit the city should be based on how much of its weather you can withstand. For the better part of the year, the sun shines rather warmly over Sao Paulo. The summer lasts from December-March whilst fall occurs from April-June.
The peak tourist season lasts from June to December, when the worst of the summer and rains has passed. This is also the time when most of the events and festivities are held, so there’s plenty in store for you! Sao Paulo being the biggest city in Brazil is always happening and there can never be a wrong time to visit.