Brandon, IMO temperature will not be an issue. I have SMB healthy and reproducing in Phoenix, Arizona. My main concern would be their forage (they need other than BG only, unless you get the SMB ahead of the BG in size-tricky), habitat (rocks needed to spawn, music and candles optional), and competition (LMB will outcompete unless you plan for it). Water quality is more of an issue than temperature, but mine survive, eat, and spawn with water temps in the mid-high 90's and months of air temp above 110. I had 20 adults in a .15 acre pond - and countless YOY. Aeration would be critical IMO.
Do you have a pond now? If you're trying to put into a current fishery it will be very different than if you're starting from scratch. Both can be done - and I think more people in TX could have great SMB fisheries if they planned for it.
