It depends on what you are looking for. As you have read the heat is the drawback.
If you can handle the heat, I can't think of a better place to power boating. It's true you can step out of the RV and get on your boat beached (parked) right in front and off you go.
The water level remains constant and has little or no perceptable motion. And it's fresh water, naturally. Boat maintenance drove me crazy in the salt water of Florida.
We share a 24' Sea Ray with another couple and its been a good arrangement. They pull it down to Earp and we pull the towed. If one or both have to come back to Las Vegas, they take the towed, and occasionally we have brought the boat back. Things just seem to work out among reasonable, friendly people.
If you like fishing for the thrill of it, go over to the reeds and pull out a 3'-4' catfish any time you want to.
You will be going at a good time, temperature wise, remember summers are blistering there. That's the only drawback I see. Or if you are an old fuddy duddy, it's not for you.
29er