(updated October 13th, 2026)
Hot. A cappuccino is a hot drink by definition, and the reason is the foam: milk needs heat to hold a foam, so the thing that makes a cappuccino a cappuccino doesn’t survive being made cold. Iced versions do exist and they’re worth having, but they’re built a different way rather than being the same drink chilled.
Why is a cappuccino served hot?
Because heat is doing structural work, not just making it warm. Steaming forces air into the milk, but as Serious Eats puts it, “it’s not enough that air is introduced; the milk also needs to be heated for that foam to stick around.” The heat unfolds the milk proteins so they can wrap around each bubble and hold it there. No heat, no stable foam.
There’s a smaller reason too: warmth lifts the aromatics. A lot of what you think you’re tasting you’re actually smelling, and those compounds evaporate more readily when the drink is hot. Let a cappuccino go cold and it doesn’t just feel wrong, it genuinely smells of less.
How hot should a cappuccino be?
Warm enough to drink straight away, not scalding. The milk is steamed to between 55 and 65°C (139 to 149°F), the Specialty Coffee Association’s range as Perfect Daily Grind reports it, and going hotter is a mistake rather than a bonus: past about 70°C the milk starts to taste cooked.
Then drink it fairly quickly. A cappuccino is small on purpose, and the foam starts breaking down from the moment it’s made, so it’s at its best early.
Can a cappuccino be served cold?
Not as a cappuccino. The drink depends on steamed foam, and you can’t pour hot steamed milk over ice and call it iced. Eater’s write-up on the technique explains why cafés resisted it for years: hot milk “raises the overall temperature of the beverage and may or may not increase the chances of growing bacteria in the drink. For this reason, many coffee bars will refuse to make customers an iced cappuccino.”
What changed is cold foam: milk aerated without heat or steam, usually skim, because the higher protein and lower fat foams more readily. Eater credits it with making the iced cappuccino possible at all.
So when a menu or a supermarket shelf says “cold cappuccino”, it means one of three different drinks:
- Iced cappuccino. Espresso and cold milk over ice, with cold foam on top. There’s no fixed recipe, so it varies a lot between cafés, and what an iced cappuccino is covers what to expect.
- Freddo cappuccino. The Greek version: iced espresso under a thick layer of milk whipped cold. It’s an everyday order in Greece rather than a novelty.
- Bottled “cappuccino” cold brew. Supermarket drinks like STōK’s are cold brew coffee mixed with skim milk, cream and cane sugar, thickened with gellan gum. There’s no espresso and no foam, so it shares the name and not much else.
Should you order it hot or cold?
Hot, if you want the drink the name refers to. Everything that makes a cappuccino a cappuccino, the silky foam and the aroma, depends on the heat.
If it’s hot out and you want something cold, I’d order a freddo wherever you can find one. Otherwise, an iced cappuccino is fine as long as you know what you’re getting: what’s in an iced cappuccino covers what to ask for. And if it tastes weaker than the hot one, it usually isn’t the coffee. It’s the same espresso, diluted by melting ice and more milk.
