| | Diet & Nutrition | Postpartum Weight Loss What is the average weight for a 6 8-year-old girl? According to the Centers for Disease Control and Prevention (CDC), the average weight for a 6-8-year-old girl is between 45 and 65 pounds. Postpartum Weight Loss - Related Articles How to Exercise After Childbirth How much should you weigh if your 12 and are How to Lose Baby Fat Fast What is the average weight of a 2 girl? What is the average weight for a 12-year old girl who How much iron should a child vegetarian consume per day? How to Lose Pregancy Weight