Is Nanning hotter than Shanghai in May?

Hotter than Shanghai. According to the Nanjing weather official website, the average temperature in Nanjing in May is 28 degrees, while the average temperature in Shanghai in May is 23 degrees, so Nanjing is hotter than Shanghai. Nanjing, referred to as "Ning", was known as Jinling and Jiankang in ancient times. It is the capital of Jiangsu Province, a sub-provincial city, a megacity, the core city of the Nanjing Metropolitan Area, and an important central city in eastern China as approved by the State Council.