Eli5: Why does 60 degrees inside feel way cooler than 60 degrees outside?

Question

Assuming no wind 60 degrees outside feels decently warm however when the ac is set to 60 degrees I feel like I need a jacket.

In: 3186

Answer 1

Humidity, moisture vapor in the air.

and “Heat Index” (aka “Feels Like”) can tell you what temperature it seems to be in human experience if you simply know the temperature and relative humidity level:

* ***https://www.wpc.ncep.noaa.gov/html/heatindex_equation.shtml***