Do babies need to be drinking water at this age?

meagan β€’ ♑𝓢𝓸𝓢𝓢𝔂 𝓸𝓯 𝓽𝔀𝓸 β™‘

My little guy won't hold or drink from his sippy cup. I've tried 4. Anything I can do to help him learn? Right now we're using the munchkin weighted straw.