Why dew point is how you should measure how humid it is, not relative humidity

Summer is here, and heat and humidity have arrived.

What’s the difference between dew point and relative humidity?

That is because the dew point is a measure of how much water vapor is in the air and relative humidity is a measure of how much water vapor is in the air relative to how much water vapor could be in ...
WSMV

Dew point vs. humidity: What’s the difference and why does it matter in Tennessee

NASHVILLE, Tenn. (WSMV) - When summer arrives, meteorologists talk about both humidity and dew point. While the two are related, they are not the same thing. Relative humidity is a percentage that ...

How hot does it feel outside where I live? What is heat index?

Much of the U.S. is under a blanket of oppressive heat as people prepare for a sweltering July 4th holiday. It’s during times like these that you often hear people talk about the “heat index” when ...

Heat, humidity and housing: why British heatwaves hit differently

Humidity is part of the answer. But Britain’s housing, long summer days, and lack of experience with extreme heat also make ...
WVEC

The difference between relative humidity and dew point

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...