A Answers (2)
Mehmet Oz, MD, Cardiology, answeredKeratosis pilaris can be worse during times of drier conditions. The cold and dry weather typical of winter can result in worsening of the condition.
Honor Society of Nursing (STTI) answered
Keratosis pilaris may appear at any time and at any age, but the condition can become worse in dry or cold weather. Cold weather breeds dry skin, which in turn seems to irritate keratosis pilaris. For some, the rash disappears in warmer weather and then returns, but it is not necessarily seasonal.