So far over 932,000 people were affected in the downpours that also inundated 51,860 hectares of farmland in Guangxi since June 21, according to the regional civil affairs bureau.
Over 3,121 houses have collapsed due to the rains, which lashed 44 counties of 13 cites in Guangxi. And direct economic losses are estimated to be about 389 million yuan (USD 61.15 million), Xinhua reported.
Local governments have relocated 226,000 people.
The regional government has allotted a relief fund of 3.5 million yuan and other relief goods, including tents and quilts to the disaster-affected regions.
In neighboring Guizhou province, downpours have battered eight cities and counties, blocking roads and cutting power supplies in some regions.
About 510,000 people have been affected by the rain and floods in Guizhou. Local governments have relocated 10,084 people to safe regions.
Over 596 houses have collapsed and 13,431 hectares of farmland have been flooded in the region.
Torrential rain has also swept east China's Jiangxi province since June 22.
A total of 1.2 million people have been affected in the province, which was evacuated of over 40,000 people and saw 3,759 houses toppled by floods, as of last evening, according the provincial flood prevention and control headquarters.
Direct economic losses of about 1.7 billion yuan have been incurred.
Persistent storms have caused floods in three major Jiangxi rivers -- Ganjiang, Fuhe and Xinjiang, the water levels of which have risen above warning levels in some sections as of yesterday.
The National Development and Reform Commission previously stated that rainstorms have frequented south China this summer, with drought-stricken areas, including Yunnan and Sichuan provinces, in the southwest also receiving rains.
China's meteorological authority said that heavy rains and storms will continue to batter the south until today.
