Word i went there in may and it was warmer in buffalo. Those surrounding mountains do some wacky shit with the weather.
Advice do blue man group, neat show. Penn and teller is great too but like $70 a ticket. The downside to vegas is everything is fawking highly expensive except for drinking. Not a value trip by any means if you plan on doing touristy stuff. If you wanna see some amazing cars go to ceaser’s forum shops they have an exocit car dealership that is more like a museum that is really cool.