![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wind_chill.png/640px-Wind_chill.png&w=640&q=50)
Wind chill
lowering of body temperature due to the passing-flow of lower-temperature air / From Wikipedia, the free encyclopedia
Wind chill is the decrease in air temperature felt when wind touches the body.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wind_chill.png/640px-Wind_chill.png)
Wind chill numbers are always lower than the actual outside temperature. When the temperature felt outside is higher than the real temperature, the heat index is used.