Yes Round Rock is a burb of Austin. Expensive. Left wing at its finest. Not a political statement, just fact. Austin is where all the W. Coast folk move to.
If you hate heat and humidity, I guess Co.or Id. is where you will survive.
It was just mentioned Al., Carolinas. etc. NO way if you hate humidity.
Some of the hottest temps every year are in N. Ca. I guess you are from the cooler areas.