This is because warmer air has the ability to hold more moisture than cold air. You will often see higher dew points when the air temperature is higher. Below is a rough guide on how the air will feel with certain dew point temperatures. The higher the dew point, the more humid the air feels and vice versa. Meteorologists and other scientists will use dew point as a way of expressing how sticky or muggy it feels outside. When you have a temperature of 80☏ and dew point around 60☏ the relative humidity will only be around 50%, but the air will feel much more uncomfortable. A rule of thumb to follow is when the dew point is higher, the more moisture there is in the air and the muggier it feels.įor example, you can have a temperature and dew point both at 30☏, and the air will have a 100% relative humidity, but it won’t feel humid outside. ![]() It is essentially a percentage of the amount of moisture the air can potentially hold at one time.ĭew point is a better way to measure how the air actually feels. This is different from relative humidity, which is defined as the ratio expressed as a percentage of the amount of atmospheric moisture in the air, relative to how much moisture the air can hold at a specific temperature. This often creates fog or dew drops on plants during the early morning hours of the day when this phenomenon occurs. ![]() The dew point, or dew point temperature is the temperature at which the air must cool in order to reach saturation. In other words, as soon as the air temperature drops to the dew point temperature, the air has cooled down enough to reach that saturated point to condense into tiny water droplets.
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