It's going to be 112 today and our humidity is running about 10% . I've got early girls, yellow pear, red robin, lemon boys, and sweet 100s that are still doing fine....BUT, I'm babying them. I haven't had fruit set since it got over 105 degrees, but still have blossoms. They get fish emulsion once a week, deep watering every third day, misted every morning and I cover the plants with sheets after they get about three hours of direct sun - they are in light, dappled shade for about six hours. Yes, it's absolutely worth it and I'm just darn lucky to be on summer vacation from school!