Why do plastic and paper cups have so much more condensation, even indoors, during warm seasons?

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Think like a soda from McDonald’s or an iced coffee from Dunkin Donuts in the spring and summer. Even if you buy one and stay inside or quickly go inside where it’s air conditioned, the cup will always get “sweaty” and water condenses and gets everywhere.

This doesn’t happen during the cold seasons. Why does it occur even when you go where it’s climate controlled?

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3 Answers

Anonymous 0 Comments

They’re extremely thin, so they draw the heat out of the moisture in the air faster than a glass or ceramic container. There’s always moisture in the air. If that moisture is cooled, it will condense. It’s not just about the temperature.

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