In 2017, the CDC recorded 2,813,503 deaths in the United States. That's an average of 7,708 per day. But averages can be misleading. While that's the average, there is wide variability depending on the time of year. Specifically, people are far likelier to die during one extreme temperature season than the other.
Your noggin is not as special as you think. That is, in terms of losing heat in the winter. Here's why you can skip the hat and not be entirely doomed.