The national observatory renewed yellow alerts on Tuesday, warning of high temperatures and rainstorms in several regions of the country.

During the daytime, parts of regions between the Yellow and Huaihe rivers, the Jianghan Plain, areas south of the Yangtze River, southern China, Chongqing, Guizhou and Xinjiang will experience scorching weather with temperatures reaching over 35 degrees Celsius, according to the National Meteorological Center.

High temperatures ranging from 37 to 39 degrees are expected in some of the regions – with certain local areas even set to experience temperatures above 40 degrees, the centre said.

It recommended that people take protective measures to prevent excessive sun exposure.

It also renewed a yellow alert for rainstorms on Tuesday, saying heavy rains and rainstorms were expected to hit parts of Zhejiang, Fujian, Sichuan, Chongqing, Guizhou, Inner Mongolia, Shaanxi, Shanxi and Yunnan until Wednesday morning.

China has a four-tier weather warning system, with red representing the most severe warning, followed by orange, yellow and blue. (Xinhua)