Dice peaches and red bell pepper. Finely chop onion, mince jalapeño, and chop cilantro.
Whisk lime juice, lime zest, honey, vinegar, salt, pepper, and cumin in a small bowl.
Combine peaches, bell pepper, onion, jalapeño, and cilantro in a mixing bowl.
Pour the dressing over the mixture and toss gently to coat evenly.
Taste and adjust salt or lime. Rest 10 minutes for flavors to meld before serving.