The fog rolls in during much of the morning. You don’t see the sun until the afternoon. The winds maintain a cool and steady relief over the area, even when the sun has a chance to beat down on the area. People are more relaxed. The lack of excessive heat seems to influence people’s perception of their world around. A cool, calm steady climate in the summer lead to positive attitudes all around.
While, in contrast, the Midwest gets assaulted by sun blasts. People fight for shady spots to get relief for their cars. The sun moves throughout the day, so you can’t always be in the perfect spot all day unless you can park right next to the trunk of the tree.
Just look at the contrasts between coastal living and further inland. It makes for a very difference experience in how you interact with the land.