Cold Water vs Room-Temperature Water in a Heatwave — What Actually Helps

When temperatures soar during a heatwave, staying hydrated becomes one of the most important ways to protect your health. Yet one question continues to spark debate every summer: Is ice-cold water better than room-temperature water when you"re trying to cool down? Many people believe that colder water lowers body temperature faster, while others argue that room-temperature water is easier for the body to absorb.

The truth is more nuanced than either side suggests. Both cold and room-temperature water can help prevent dehydration, but the best choice often depends on your activity level, personal comfort, and how your body responds to heat. Understanding the differences can help you stay hydrated more effectively and reduce the risk of heat-related illness during extremely hot weather.