Which is hotter in summer in Shijiazhuang or Tianjin?

Shijiazhuang is a little hotter than Tianjin.

First: Shijiazhuang is in the south of Tianjin. The closer to the equator, the more heat the sun provides to the surface, including the sea surface.

Secondly, due to the characteristics of maritime climate, the coastal areas of Tianjin are relatively cool in summer, but the geographical position of Tianjin is not very prominent.