Not sure where you are from, but it's probably not hotter than where I am. And there's no AC. The heat has slowed both me and hammy down, but it hasn't been anything health threatening.
Unless you count my reactions to some of the odd poses Ziggy falls asleep in on the 'deck ' of his castle.
Nowadays, yeah, he has one outing a day and is a total cage potato the rest of the time.
Get natural Greek yogurt. It's got all the healthy bac and enzymes in it, and its a bit more 'solid' than regular yogurt. You can feed it to him fresh and cold out of the container on your finger....assuming you guys have that kind of relationship
Chilled treats of babyfoods also can provide a cold summer treat....just make sure its not a flavor on the DO NOT FEED lists....
I thought of getting him one of those little japanese fans that women in hoops skirts used to use in historical dramas.....but he'd prolly just pee on it.