The June-September rains in Kerala state have cost 175 lives and damaged crops worth 3.42bn rupees ($49.81mn).
Torrential rains unleashed floods and landslides in western Japan last week, prompting Prime Minister Shinzo Abe to cancel an overseas trip.
Rain tapered off across the region battered by the downpour, revealing blue skies and scorching sun forecast to push temperatures above 30 degrees Celsius.
Rescuers were searching for survivors at the site of the collapsed five-storey building, believed to be about 100 years old, in the busy Bhendi Bazar market area.
Floods in India's northeast have killed at least 83 people and led to the death of three rare one-horned rhinoceros at a national park that has the world's largest concentration of the species.
A powerful storm system bore down on the eastern United States on Monday after spawning tornadoes and torrential rains that killed at least 16 people and shut down hundreds of roads over the weekend, forecasters said.
Flooded rivers were still rising Saturday in two Australian states with two women dead and four people missing after torrential rains in the wake of a powerful tropical cyclone.
Twenty-six people have been killed in accidents related to flash floods in parts of Egypt this week, state television reported on its website Saturday.
Ghada’s five children cried out in terror when police broke into their run-down Istanbul flat at dawn and ordered the 36-year-old Syrian’s family onto a bus, without saying why.