Winter makes it easy to cave into those sugary snacks, but you need to keep a healthy diet. Your back may be in pain already because when it gets cold, your muscles tense up and cause pain. Not having a healthy diet will enhance the pain. Eating sugary and fatty foods causes inflammation and pain. Try eating foods that contain magnesium such as seeds and dried fruits. These foods are enriched in calcium which helps to strengthen your bones and helps with pain.