Question: what is the average height of a two-and-a-half-year-old boy?
Answer: Wondering how much should a 2-year-old weigh? Average weight for a 24-month-old is 26.5 pounds for girls and 27.5 pounds for boys, according to the World Health Organization. How tall is the average 2-year-old? Average height for a 24-month-old is 33.5 inches for girls and 34.2 inches for boys.