100 Degrees & a Hot Latte? Why Locals Drink Hot Coffee When It’s Even Hotter Outside
It’s a familiar scene in any Central Texas city come June. Pavement shimmering, air sitting heavy, sun unrelenting. You push through the door of a coffee shop, the AC hits, and for a second you just stand there. You’re waiting on an iced cold brew when the person ahead of you orders a steaming hot latte. On the surface it makes no sense. Why reach for something hot when it’s already 105 outside? The answer isn’t just habit, it lands at the intersection of physiology, indoor climate culture, and the kind of daily ritual that simply doesn’t negotiate with the weather report. The Science: How Your Body Actually Cools Itself The physiology here is called thermoregulation. Drink something hot, and thermoreceptors in your mouth and throat send a signal to your brain: heat detected. The brain responds by triggering sweat. As that sweat evaporates off your skin, it carries heat with it, lowering your core body temperature in the process. The effe...