I'd go with silkies or a silkie mix. My black silkie is an excellent mom now. I have a white one setting now and a frizzle.
It gets hot here too. Silkies don't seem overly bothered. They go in the shade. They don't do cold as well as a bigger breed so you need a couple of them to snuggle together. We get anything from 100 to -10.
I use small buckets, I empty the bucket into the feeders, except for about 2 cups of fermented feed. I dump the new feed in the bucket, add water and stir it well. The next day I empty the other bucket, all except 2 cups of fermented feeds, add fresh feed and water....... Repeat over and over day after day. So the feed only ferments as many days as I want it to.