Life At what temperature does water boil? Explaining water’s boiling point and how long it will take. July 19, 2022July 19, 2022Anna Kaufman, USA TODAYComments Off on At what temperature does water boil? Explaining water’s boiling point and how long it will take. Have you ever wondered how hot your water has to be before it boils? Or if adding salt really helps it boil faster? Here's what you need to know.