Combine peaches, chicken, and cucumber in a large bowl.
Blend vinegar, mint, sugar, lemon juice, salt, pepper, and hot sauce in a blender until vinaigrette is smooth. Drizzle vinaigrette over peach mixture; toss to coat. Cover bowl with plastic wrap and refrigerate until chilled, at least 30 minutes. Fold avocado into salad before serving.
All done! Now take a photo, rate it, and share your accomplishments!