How long can you stay outdoors at MINUS five degrees?

Five degrees below zero can last for 30 minutes outside. People who are naked at MINUS five degrees can survive for a short time, their respiratory system will die of frostbite, and the environment is very humid. If you are caught in the rain, your clothes can't stay dry +20 degrees. If the temperature of your trunk is lower than 25 degrees, you will be in a coma, 20 degrees will be in a coma, and you won't be rescued for 30 minutes.