what is the average height of a toddler
Girlsâ Average Height. You can review the average height of a toddler-aged child using growth charts, such as those available online at Kids Growth. The average height for a 12-month-old girl is 30.5 inches, and the normal range goes from just over 27 inches to about 31 inches.ust like average height, average weight is estimated using growth charts. The average weight for a 12-month old girl is about 20 lbs., ranging normally from just over 19 to 27.5 lbs. The average weight for a 24-month-old girl is about 26.5 lbs.