When you were a child your grandmother probably told you that going out in the winter with wet hair would give you a cold. You know today that was just an urban legend and your grandmother wanted you to dry your hair. What about the weather and hair loss? Will the weather cause you to experience hair loss and thinning? The answer is no. The weather in itself will not cause hair loss or hair thinning. However, the effects that weather can have on your hair may lead to hair loss or hair thinning. This is your guide to how temperature changes affect your hair and how you can combat it.