eli5: Why is 70 degree F water so much colder than 70 degree F air?

Question

I can hang out buck naked in 70 degree F outside all day but not touching 70 degree F water.

In: Earth Science

Answer 1

You lose heat to water like 25 times faster than you would from air. 70° air is more or less equilibrium, you won’t overheat, underheat, it’s litty.

Up the rate of heat loss 25x with water of the same temp and now you get cold. You lose heat faster than you make it.