Relative Humidity and feeling of comfort

AI Thread Summary
High humidity levels significantly affect sweat evaporation, leading to increased discomfort and irritability in the climate. In comparing Madison, USA, with Kolkata, India, both cities experience similar temperatures around 35 degrees Celsius; however, Madison's humidity is lower at 85% compared to Kolkata's 65%. Despite the lower humidity, sweat evaporates more efficiently in Madison due to factors such as wind and sunlight intensity, which play crucial roles in body temperature regulation. The discussion highlights the biological implications of humidity and its impact on thermal comfort.
dennisrobert
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Hi,

The more humid it is, the more irritable the climate will be. The sweat will not evaporate easily if the relative humidity is high.

I have been to two cities in two different countries recently - Madison in USA and Kolkata in India. The humidity in Kolkata is about 65% and that in Madison is about 85%. During noon, the temperature in Madison would be about 35 degree Celsius and that in Kolkata also its about the same. But even with a lower humidity, the sweat that our bodyproduce, doesn't evaporate as easily in Kolkata as that in Madison. Why is that?
 
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Wind would be a possible explanation. The intensity of sunlight is relevant for body temperature (regulation), too.
I think this is more a biology question (?).
 
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