This article has been updated to reflect 2026 data and recent developments.
Many people ascribe to the basics of astrology, reading their horoscopes in the newspaper or taking online tests to see what their sign says about them. But does the time of year in which you are born have any actual influence on your life? Numerous studies suggest that children born at certain times of year are healthier, happier, and more successful than others.
Winter versus Summer Children
Researchers suggest that the month in which your child is born can have an impact on everything from health to success with a future career. The biggest differences were noted between children born in the winter and children born in the summer. There are some studies that say that children born between the months of June and October are more likely to be taller and have bigger bones than children born during the winter. This is likely related to the amount of vitamin D exposure during the pregnancy. On average, children born during the summer were 0.5cm taller than children born in the winter based on results from women who were 37 weeks pregnant.
The National Institutes of Health provides information about vitamin D and its role in bone health. Although researchers have identified associations between birth season and certain health outcomes, these findings do not establish that a child's birth month directly determines their health or development.
Not only does the month in which you are
