Welcome to BYC! When it's hot out I make sure that there is plenty of shade available, set up fans, and sometimes put ice in their waters to keep it cool. Hope this helps!
Hi, it's good you're planning already how to handle the heat challenge. Tips from other AZ members will be helpful, @TwoCrows has provided a link to your state thread. And an open air coop will provide some assistance with keeping your flock more comfortable.