Most of people think that if they drink something hot, they will manage to warm their body. Actually this is not always the case as it depends of its components.
As an example, mint leaves according to Chinese medicine, are fresh in nature and though have a refreshing effect on the body. So if you drink a mint tea, even if hot, it will help your body to cool down.
This is why In many countries and regions where the temperatures are high, lots of people are drinking hot mint tea to refresh.