Will Guangzhou be hotter than Foshan Shunde in summer?

Generally speaking, the summer in Guangzhou is hotter than that in Shunde, Foshan. This is because Guangzhou is located in the Pearl River Delta, which is affected by subtropical monsoon climate in summer, with high temperature, rainy and high humidity, while Foshan Shunde is located in the south-central part of Guangdong Province, which belongs to subtropical monsoon climate and is also affected by humid climate in summer, but the temperature is usually lower than that of Guangzhou. So Guangzhou is usually hotter than Shunde in Foshan in summer.