The 80 is nice, the 100... idk.. when we lived in Alamogordo NM, it would be 108 to 110 but no humidity so you only noticed the heat briefly, it would still kick my butt if I didn't keep hydrated, but, it wasn't like when we lived in Boonville IN ( right next to Evansville) over there it was air you can wear all summer! I hated it!