| Hypothermia Symptoms by Body Temperature | |||
| Celsius | Fahrenheit | Description | Symptoms |
| 37 | 98.6 | No hypothermia | No hypothermia |
| Below 35 | 95 | Definition of hypothermia | N/A |
| 32 to 35 | 89.6 to 95 | Mild hypothermia | Shivering Lethargy, apathy, confusion Rapid heart rate |
| 28 to 32 | 82.4 to 89.6 | Moderate hypothermia | Shivering stops Increased confusion or delirium Slowing heart rate; may be come irregular |
| Below 28 | Below 82.4 | Severe hypothermia | Coma Ventricular fibrillation May appear deceased |
| 20 | 68 | Brain activity stops | |