Eli5 – Why does air “looks” colder in winter ?

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So, temperatures are dropping below the 0°C where I live, and I was wondering why does it seems like everything has a “cold color” filter applied to it ?
It’s almost like I have a veil in my eyes that makes everything I look at outside whiter or greyer, even when this is bright sunny, and I really don’t think it is something about a psychological bias because I do prefer colder seasons over hotter ones.

Thanks in advance !

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3 Answers

Anonymous 0 Comments

The properties of air change with temperature and we can sense some of that. It’s “crisper” in that it does move about as much. This helps a lot with telescopes. Essentially the opposite of that wavey heat mirage you can see on long distances of hot roads.

I think there’s some color filtering differences too, but I’m not sure.

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