You need to specify a particular desert as each desert is different and has its own climate statistics.
depends wat desert
By marriage. Humidity and temperature are related. The maximum absolute humidity increases with temperature and pressure (up to the boiling point).
Humidity
they have changes in temperature, pressure, wind speed, and direction and humidity.
Relative humidity is directly related to the amount of water vapor in air, and that's the relationship. The more water vapor that is in the air, the higher the relative humidity at a given temperature.
Cold air cannot hold as much water vapor as warm air. As temperature drops relative humidity rises. Absolute humidity remains constant until the dewpoint temperature is reached, then decreases with temperature as water precipitates out of the air. Below the dewpoint temperature relative humidity remains constant at 100%.
The climate does not change quickly. However, the weather can change quickly in the desert. There is little humidity to hold in heat or to slow heating. The humidity acts somewhat like a buffer to slow temperature changes. Without the humidity, the temperature can change more rapidly than in an area with higher humidity.
Desert, extreme fluxuations in temperature along with low humidity and little rain.
The humidity is very low in the desert making it feel much cooler.
80 is pretty warm I would not think you need any humidity unless you are in the desert. If I was in the desert, I would want to turn on the swamp cooler.
Piedmont and mesa
Temperatures vary greatly between night and day in many desert regions. Typically, humidity blocks the sun's radiation. Since deserts have little to no humidity, about twice the radiation is absorbed. At night, a greater amount of heat is lost due lack of humidity. This can bring temperatures well below freezing, especially during the winter months.
Piedmont and Mesa
Most areas of the earth have high humidity and, at least,some cloud cover.These two factors act as insulation and tend to moderate temperature change. Humidity and clouds are generally absent from the desert so there is nothing to prevent the region from heating up during the day and quickly cooling at night.
the temperature is warm and humidity is dry
The temperature determines the humidity.
By marriage. Humidity and temperature are related. The maximum absolute humidity increases with temperature and pressure (up to the boiling point).
There are over 26 major desert areas in the world and each has its own climate statistics. You need to provide a specific location in a specific desert. Relative humidity can vary by location, temperature, season of the year and time of day. I live in the Chihuahuan Desert and the humidity can be near 80% early in the morning and drop to less than 20% in late afternoon.