Now, the situations where the easy answer gets complicated. If you're new to matcha, iced is more forgiving. The cold water masks any clumping or slight bitterness, so it's harder to mess up. Hot matcha exposes every flaw—water too hot, whisking too lazy—and you'll taste it.

On the cost front, both cost about the same per serving if you're using the same amount of powder. But here's the catch: iced drinks often lead to more frequent consumption. When it's hot outside, you might find yourself making a second glass, which doubles your daily spend. Hot matcha tends to be a one-cup affair, savored slowly.

And if you're someone who adds milk, the temperature changes the pairing. Hot matcha lattes have that cozy, comforting blend of creamy and bitter. Iced matcha lattes are more like a refreshing juice-milk hybrid. Neither is wrong, but they hit different cravings.