Thunderstorms have hit 267 counties throughout 18 provincial regions across China since Friday, Xinhua reported. Nearly 6.4 million people have been affected by the weather.
A total of $632 million in economic losses have been accrued since the beginning of the storms, a statement from the National Disaster Reduction Committee said.
The Inner Mongolia Autonomous Region and the provinces of Shandong, Sichuan and Hubei were hit hardest, the statement said.
In Weihai, a coastal city in Shandong province, heavy rains and floods have destroyed 107,000 houses. More than 124,000 people have been forced to relocate since Sunday.
Disaster relief and a survey team have been sent to the flood zone in Shandong as part of the emergency responses to the rainfall.