A body temperature of 95 degrees Fahrenheit or below is considered to be dangerous, and temperatures in this range indicate hypothermia, according to WebMD. In the most severe cases, a person's body temperature can drop below 82 degrees Fahrenheit.
Hypothermia is most often caused by exposure to a cold environment, which causes the body's core temperature to decrease. At these lowered temperatures, the body's organs are no longer able to function properly, which can damage or cause the failure of the heart and central nervous system, according to Mayo Clinic. Those who may be experiencing hypothermia should seek emergency medical attention because it is a potentially life-threatening condition.