What is the difference between dry weather and hot weather?

According to the meteorological characteristics, the microclimate of heatstroke site can be divided into two categories: one is dry and hot climate, which is characterized by high temperature, strong radiant heat and low humidity. The ambient temperature is generally 5- 15℃ higher than that outside, and the relative humidity is often below 40%. The other is a hot and humid climate with high temperature and humidity, but the radiation heat is not strong. Because when the temperature is 35-39℃, 2/3 of the body's residual heat is excreted by sweat evaporation, and if the surrounding environment is humid, sweat is not easy to evaporate.

Dry and hot climate

A climate characterized by high temperature, low humidity, large daily temperature difference and strong solar radiation. The dry and hot climate mainly occurs in the north and south latitudes of the equator ... High albedo often produces harsh glare, and the disparity between day and night makes people feel uncomfortable. Hami, Xinjiang is one of the typical dry-hot climate zones in China in summer.

Hot and humid climate? Hot and humid climate

A climate characterized by high temperature, high humidity, rainy, small daily temperature difference, no wind or light wind. The average temperature in the hottest month of hot and humid climate is very high, and the annual average relative humidity is above 60%. The annual average rainfall exceeds 1000mm, and the wind speed is low. In the hot and humid climate, the living environment is too humid, the skin is difficult to evaporate and sweat, and the human body feels uncomfortable in the sultry day and night.

The difference between the two

The common point of dry heat and wet heat is high temperature, but the difference is that dry heat temperature is low and wet heat temperature is high. Under hot and humid conditions, people often feel uncomfortable and sultry, and the sweat on the skin evaporates poorly, which makes people even more uncomfortable.

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Relevant reference sources are as follows:

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