The answer depends upon the season of the year. During the winter (dry season) the relative humidity during the day is frequently below 10%. During the summer monsoon the humidity can be 50, 60, 70% or higher. I live in the Chihuahuan Desert and we have had some heavy summer rains in recent days. The last I checked the humidity was 76% at noon.
Air over the ocean would have more moisture than air over a desert.
Relative humidity is a measure of how much moisture is in the air relative to the maximum amount of moisture the air can hold at a specific temperature. It is expressed as a percentage, with 100% indicating that the air is completely saturated with moisture.
The arid desert landscape made it difficult for plants to grow due to the lack of moisture in the air and soil.
There is very little moisture in the air. Moisture is one of the ingredients needed for metal to rust.
By procuring the moisture from air and soil and conserving it very efficiently.
humidity
Desert air usually has a very low moisture content. Air above a lake would be much more humid.
The air would contain more moisture over Panama than over Antarctica. This is because Antarctica is classified as a desert, and all of its moisture is frozen in snow or ice.
an inland desert is a place where there is less then 15mL of rain a year. it doesn't rain because the moisture in the air has already fallen by the time it reaches the inland of countries. causing them to dry up. or it could be dry because the climate is so hot that the moisture in the air evaporates.
If air is holding as much moisture as it can, colder air holds less than warmer.
In southern South America the zonal air flow is from west to east. Moisture picked up from the Pacific Ocean moves eastward and the Andes Mountains force it upwards where the moisture condenses and falls as rain on the western side of the mountains. The air passing into the eastern, or leeward, side of the mountains is dry and has little to no moisture to drop there. The Patagonian Desert is located in this dry area as well as the Monte Desert
creosote