How to Correctly Average RH. The preferred method to obtain an average RH over a given interval is to average the vapor pressure and saturation vapor pressures, then calculate RH from those averages.

What is average humidity?

The ideal relative humidity for health and comfort is somewhere between 30-50% humidity, according to the Mayo Clinic. This means that the air holds between 30-50% of the maximum amount of moisture it can contain.

How do you calculate humidity from wet and dry temperature?

Relative humidity can be found by subtracting the temperature on the wet-bulb thermometer from the temperature on the dry-bulb thermometer and using a relative humidity chart.