I went to Chandler, AZ on a work trip in August. It was like 120f outside. The two things that struck me most were:

1. There were permanent mister stations setup outside most stores for people to cool off under because the heat was so intense.
2. People were walking around with hot coffees and when I asked for an ice coffee at breakfast, I was given a hot coffee with ice in a separate cup. It was a totally foreign concept to them (or they were trolling me).

Our shorts & iced coffee in December is Arizona's hot coffee in August.