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Humidity IS water vapor in the air.

The "feel" of the humidity (dry vs hot/sweaty vs cold/clammy) is essentially the relative humidity, which is the amount of water in the air vs the maximum amount the air can hold.

So if the air is holding near the maximum it can hold, it feels humid. If the air can hold a lot more water than it currently has, it feels dry. Even if the amount of total water in the air is the same.

The absolute amount of water the air can hold is highly depended on the temperature. So on a hot day, the air can seem very dry, even though it is holding a lot of water. And at night, when the hot air cools to point where it can't hold all that water, it can get very humid, with dew and perhaps even fog as the water condenses. So the cooler air can seem humid, even though it has less water that the hot day air.

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15y ago

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Why are there changes in humidity?

Humidity is the amount of water vapor in the air. Humidity increases when more water evaporates, and decreases when it rains or the humid air is displaced by less humid air. Generally, higher temperatures will lead to higher humidity, as more water will evaporate.


Does humid air have less oxygen compared to dry air?

No, humid air does not have less oxygen compared to dry air. The amount of oxygen in the air remains the same regardless of humidity levels.


Does Higher humidity makes you sweat more?

Yes, higher humidity can make you sweat more because sweat is less likely to evaporate quickly in humid conditions. This can make you feel hotter and more uncomfortable as your body works harder to regulate its temperature through sweating.


When is the humidity higher?

Humidity is typically higher in the morning and after it rains. This is because cooler air can hold less moisture, resulting in higher relative humidity levels.


When is more humid day or night?

Humidity levels are typically higher at night because cooler air can hold less moisture than warm air. As the air cools at night, its ability to hold moisture decreases, which can result in higher relative humidity levels.


How can the humidity be low when it feels humid?

Sometimes when it is warm out, you think it's a lot more humid then it actually is. You also sweat a lot when it is warm outside so that adds to dampness. There could also be humid air blowing at you without you noticing it.


What is the humidity percentage on mars?

The average humidity on Mars is less than 1%. Although there are sporadic increases in humidity due to seasonal changes, it is generally a very dry environment.


How does humidity contribute to weather?

If the area is too or less humid a plant cannot grow properly.


If the amount of moisture stays the samewhat happens to the relative humidity when the air temperature decreases?

If the amount of moisture remains constant, but the air temperature decreases, the relative humidity will increase. This is because cooler air has a lower capacity to hold moisture, so the existing moisture becomes a higher percentage of the air's total capacity, resulting in a higher relative humidity.


Can it be both cold and humid?

Yes, it is possible for it to be both cold and humid at the same time. Cold air can hold less moisture, which can lead to high humidity levels even at lower temperatures. This can occur in environments such as rainy or coastal areas.


How does humidity effect hydration?

The higher the humidity, the more fluid loss a person has from sweating. The more you sweat, the less hydrated you become. Excessive fluid loss from sweating without adequate oral replacement can then lead to heat exhaustion and later, heat stroke. It is necessary when out in humid conditions to make sure you are taking in more fluids than you are losing through sweating.


Why humidity is unbearable after rain?

When it's humid it makes it feel hot and sweat doesn't evaporate as fast as it does when it's less humid so you end up feeling sticky.   Usually if the rain cools it down enough the extra humidity isn't noticeable but if it doesn't cool everything off then all it does is make everything humid, on top of the heat that it failed to get rid of, which is just unconformable. Depends on the type of rain of course.