It's a surprising factoid that Phoenix the city is the 5th larges tin the US.

But if we take metro areas (MSA) -- which is somewhat more representative of size -- it falls off to 10th place.

https://en.wikipedia.org/wiki/Metropolitan_statistical_area#...

It's still quite high. I'm surprised so many people like to live in hot places. I'm told it's a "dry heat" though, so it's not as bad. You can use swamp coolers to cool down.

Hot and humid places are more uncomfortable. Houston in August is 110 F with 80+ % humidity. It's oppressively hot.