Michigan experienced one of its hottest summers on record in 1995, but plenty of people don’t like wearing shorts etc. My friends used to jokingly tease me because I would be wrapped up in summer but wear t-shirts in winter Some people are just built different
Some people are just built different 
I come from a country where summer is a literal hell unleashed upon our world that whatever the Abyss is, surely it can't be worse than our summer. So it's hard for me to understand why would the girls(except for Nora) wear long sleeved shirts and long pants. Maybe Kat's feeling cold due to her sickness, but Swann even puts on a jacket later on 
