May is a quiet time for tourism with cooler temperatures beginning to arrive (particularly in the south) and heavy rains still falling in the Amazon.
Festival Intenacional de Balonismo
The far southern beach town of Torres springs to life for five days in early May or late April when it hosts a colorful hot-air balloon festival. Concerts, extreme sports, films and a country-style fair are among the attractions.
One of the best times to visit São Paulo is during this 24-hour cultural fest. It happens all across town and features concerts, film screenings, art exhibitions and other events.