DIY & Home Improvement

If you live in the north, it can freeze in the winter and you are out of luck unless you bring buckets in the warm house before the freeze. Also the barrel itself might not be frost hardy- a freeze with water in it could split the seam. Certainly a tap at the bottom of the barrel would freeze.
But to answer your question about directing the water, I once used plastic sheeting to create a water flow out a window from my leaking enclosed porch roof. Something like a plastic shower curtain might also work