How severe does your temperature have to be to kill you?

There is no straight: Forward answer to this question. Although a person might die at 105 degrees, frankly a person can die at any temperature depending on the condition. My brother had a 107 temperature & recovered. A newborn might die w a low fever w some types of infection. A person w pneumonia might have a temperature of 102 but die because of the lung infection it's self. An elderly person may die from.