Our Wind Chill Calculator helps you determine the perceived temperature on your skin when exposed to wind. Wind chill is the lowering of body temperature due to the passing-flow of lower-temperature air.
As wind speed increases, it carries heat away from your body faster, making it feel much colder than the thermometer indicates. This is critical for preventing frostbite and hypothermia during outdoor winter activities.
The formula used is primarily validated for temperatures below 50°F (10°C) and wind speeds above 3 mph (4.8 km/h).
Humidity is the amount of moisture in the air. Heat Index is the resulting 'felt' temperature when that moisture prevents the body from cooling via sweat.
No. Wind chill only defines how much faster heat is being removed. It will always be equal to or lower than the actual air temperature.
A dew point below 50°F is usually considered comfortable and dry. Below 30°F, the air can feel very dry, potentially causing skin irritation.
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