As for the thermal comfort of a person, as a living organism, we can distinguish several basic degrees of thermal comfort. Some of these grades can even be called a discomforts without exaggeration. Comfort is a condition where the temperature so to speak "suits us". By contrast, the discomfort occurs if the temperature does not suit us. But everyone has these boundaries somewhere else. Therefore, you can not give a definite strict answer from how many degrees begins an uncomfortable sensation of a person from heat or cold.
Warm or cold?
However, even over-temperature can endanger a person's life, yet it is more dangerous to chill. than Heat. The elevated body temperature can be better and regulated over the long term. By contrast, the cold may also end with death from Subcooling. In households, you should always be the last to save a fireplace stove with sufficient fuel supply and matches.