Atmospheric

Humidity

Definition

The amount of water vapor in the air, usually expressed as relative humidity. High humidity makes hot weather feel hotter and cold weather feel sharper.

Deep Dive

Is Silk Good for Hot Weather?

You want to stay cool in the brutal summer heat, so you buy a luxurious silk shirt. Within ten minutes, it is clinging to your back.

4 min read →

Related Terms

Atmospheric Pressure Barometric Pressure Convective Heat Loss Dew Point

High-Pressure System Hydration Reaction (Concrete)

Full Weather Glossary