eli5 why the same temperature feels different in water vs air

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I used to always get confused as a kid when going swimming and the temperature gauge was around 20 degrees celsius but felt really cold considering the same temperature in air was warm. I still don’t really understand why this is?

In: Earth Science

6 Answers

Anonymous 0 Comments

Part of this also has to do with evaporation of water on your skin, which is always happening. So you get wet with cold water and you feel cold, but part of what makes it feel cold is that as the water evaporates off your skin the second you pull it out of the water, the evaporation process uses so much energy from you that it feels really cold. You can jump in freezing water and stay fully submerged and you can get used to that, but the second you step out of the water and the lightest of breezes helps speed us that evaporation process by moving the water-dense air from your skin and replaces it with drier air ready to suck up some more water from you, you feel that shit cold af

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