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Pour-Over

Pour-Over Water Temperature: How Hot Is Too Hot?

June 14, 2026

Water temperature is one of the quieter variables in our pour-over guide, but it has a real effect on taste. Hotter water pulls flavour out of coffee faster. Cooler water slows things down.

The usual range

Most pour-over recipes call for water between 90 and 96°C. That window comes up again and again because it extracts well without pulling out too much harshness.

In practice, many home brewers go hotter than they expect. Water cools the moment it leaves the kettle and hits a room-temperature brewer, so the slurry in the cone is always several degrees cooler than the kettle.

Match temperature to roast

  • Light roasts are dense and harder to extract. Use water near boiling, around 94 to 96°C.
  • Medium roasts do well around 92 to 94°C.
  • Dark roasts extract easily and can turn bitter. Try 88 to 91°C.

If a light roast tastes sour even with a good grind, try hotter water before going finer.

Temperature and the bloom

The first pour matters most. Hot water during the pour-over bloom helps the coffee release gas quickly and start extracting evenly. If your kettle has been sitting for a few minutes, reheat it before you start.

Keeping heat steady

Pre-heat your brewer and cup with hot water and discard it. A cold ceramic cone can steal several degrees from your first pours.

A variable-temperature gooseneck kettle makes this easy. Set it, wait for the beep, and many models will hold the temperature while you brew.

No thermometer? No problem

If your kettle only does “boil”, you can still get close:

  • Let freshly boiled water sit for about 30 seconds for light roasts.
  • Wait about 1 minute for medium roasts.
  • Wait about 2 minutes for dark roasts.

It is not exact, but it is consistent, and consistency is what lets you adjust with confidence.

How it fits with the rest of your brew

Temperature works alongside your grind and pouring. Slow, steady pour-over technique keeps the slurry warmer, since the bed is not left to cool between big gaps. Long pauses between pulses can drop the temperature more than you think.

Change temperature on its own, taste, and only then move to the next variable.

Water quality matters too

Very hard water can mute flavours, while very soft or distilled water can taste flat. Filtered tap water is a good, simple middle ground for most people.

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