In humid weather, the sweat that would normally evaporate to keep us cool can’t evaporate as fast, therefore cannot cool us or is it usually would. Sweat that would normally evaporate stays on your body, building up as your body sweats more and more. Note: scientists and weathermen, I mean weather persons, sometimes use what’s called a wet bulb thermometer. It is exactly what it sounds like, a thermometer wrapped in a wet cloth which simulates the human body’s difficulty in sweating & cooling in humid weather.
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