The difference between cold and dry, which is colder?

The wind in the north is relatively dry. Although the wind is very cool, it is only the decrease of the surrounding temperature, and the human body temperature has not changed much.

Wet and cold

That is, the temperature is low, the relative humidity of the air is high, and the somatosensory temperature of people is obviously lower than the surrounding environment.

north

Compared with the south, there is less rain and snow in autumn and winter in the north, the air is relatively dry, the cold air can be fully blocked by clothes, and the drop of ambient temperature has little effect on human body temperature. In other words, in the cold north, as long as you put on more clothes, you can well resist the "physical attack" from the cold wind.

south

Winter in the south is always wet and cold, and the moisture content in the air is higher than that in the north, which makes the heat transfer in the body faster. No matter how much clothes you wear, you can't maintain your body temperature well, and the heat emitted by your body is quickly transferred to the air and dissipated. Therefore, students in the south often feel that no matter how they dress, they will feel cold. Only in this way can the coldness in the south be a "stroke of genius".

Take a chestnut as an example: the room temperature is higher than the water temperature in the swimming pool, but it will be colder when people go ashore after swimming. This is a truth.

People's subjective feeling of cold temperature is a kind of somatosensory temperature, which is different from the actual temperature, so although the temperature in the north is low, it will be very cold in the south.

According to the survey of ordinary people in Tencent, more than 60% people chose "it is colder in the south" on the question of whether it is colder in the north or in the south.