The temperature read 95 degrees Fahrenheit on Tuesday, but the humidity made it feel worse. Amid the stifling late summer Rio de Janeiro heat, Silvia Silva Santos steadied her 77-year-old mother as they walked toward the clinic gate.The temperature read 95 degrees Fahrenheit on Tuesday, but the humidity made it feel worse. Amid the stifling late summer Rio de Janeiro heat, Silvia Silva Santos steadied her 77-year-old mother as they walked toward the clinic gate.