Why are you more likely to catch a cold in winter?

A woman is shown in a snowy forest. She is wearing a thick winter coat and gloves and is blowing her nose into a tissue. .

You may have been told to bundle up before venturing outside in the winter, otherwise you'll "catch a cold." But are you actually more likely to get a cold when it's chilly out?

Put simply, yes: The incidence of respiratory infections, such as the common cold, peaks in temperate regions during the winter. While frostier weather doesn't directly cause infections, research suggests that it can make you more likely to catch them.