Avoiding cold water is just bad advice and it’s perpetuated by people who do not live in hot climates. It violates thermodynamics to say adding cold stuff makes you hot.
If you’re already to the point of sweating, your body is trying to cool you down. Adding cool liquid will make you colder, not hotter. Go read medical recommendations for how to treat heat stress, they will never tell you to drink hot tea and eat some chillies
People from the "hotter" regions, how do you deal with the heat?
I am from Eastern Europe and this is the hottest summer on my memory. For at least 3 consecutive years the heat is breaking all records....