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Heat Index Calculator (Celsius)

Calculate the heat index in celsius with this online calculator.

Temp (Celsius):
Humidity): %
Fill in the temperature and humidity to determine approximate heat index.

This calculation is meant for air temperatures greater than 27 degrees celsius and humidity greater than 50%.

How do you determine heat index?

Example: When the ambient temperature (in celsius) is 33 degrees, relative humidity is 65%, the effective heat index is:

Approximate Heat Index = 41.4 Degrees Celsius

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