Why is it that I am always much colder than others in the room?

I'm 14, and for the past week or so I've been walking around swathed in layers of winter clothing. It's nearly summer in Vegas, where I live, but most of the time lately I've spent shivering under a multitude of blankets and clothing. My body temperature is about normal, and I don't have any other side effects. I just shake/shiver/chatter my teeth quite often and I seem to have become noticeably paler. No one else is cold because the house temperature is pretty much 80 degrees Fahrenheit most of the time. I haven't gone to the doctor yet, should I? Or will it reside come time?