How does humidity affect thermastat?

I’m sure there must be a billion guides on this, but I’m having trouble finding one. I automated my heating in node red based solely on temperature during a very low humidity winter. Now, in spring, the heating comes on while it still “feels” hot and I have to disable the automation. Is there some simple formula or metric I can use to improve my automation? Can someone point me to an awesome guide? Help!

Simple formula? No. Preference always comes into play.

But look up ‘dew point’ and you’ll better understand why 20°C can feel hot and can feel cold.

There’s a good topic here with a few different approaches to calculating the “feels like” or Heat Index temperature,

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Thanks so much for this! Down the rabbit hole I go~