Severe heavy rain in some areas along the coast of Guangdong, with one town in Yangjiang receiving over 800 millimeters of rainfall in 24 hours.

According to the meteorological hydrological monitoring in Guangdong Province, from 16:00 on May 19 to 16:00 on May 20, the average rainfall in the province was 32.4 millimeters. There were 22 towns with extreme heavy rain, 93 towns with heavy rain, 272 towns with rain, and 367 towns with heavy rain, accounting for 45.2% of the total number of towns in the province. The towns with the highest rainfall were He Kou Town in Yangchun City, Yangjiang (869 mm), NaJi Town in Enping City, Jiangmen (515.5 mm), Qianwu Town in Doumen District, Zhuhai (367.8 mm), Banfu Town in Zhongshan City (272.9 mm), and Dapo Town in Gaozhou City, Maoming (230.9 mm).