It is brutal in July and August in general there. Add a few more degrees and the misery increases.
Avoid the parks mid day. Head back to the resort and pool. Take a nap
We went over this a week ago or so. July had the “hottest” average daily temp
But the daily highs were nothing special. It was driven by very high daily lows that continued unabated.
Moist air retains thermal energy pretty well