eli5: Why do worms get out on the asphalt when it’s raining?

Question

eli5: Why do worms get out on the asphalt when it’s raining?

In: 3592

Answer 1

I am always trying to save the worms and put them back in the dirt because they end up all dried on the sidewalk. When we had a pool I’d have to dish so many worms out of the pool on rainy days trying to save them.