the effect of air moving across the skin, making the temperature seem colder than it actually is. A cyclist creates a windchill even on a calm day, a situation that must be considered when dressing for winter rides.
A measure of apparent temperature that uses the effects of wind and temperature on the cooling rate of the human body. The windchill chart translates the cooling power of the atmosphere with the wind to a temperature under nearly calm conditions. For a more detailed explanation and to see a chart of windchill, check out our FAQ page