What is the ideal water temperature for drip coffee?
The widely used target is 195 to 205 degrees F (about 90 to 96 degrees C). If your coffee tastes sour or flat, a cooler-running machine may be part of the cause, and a kettle pour-over lets you control the temperature.
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In this article
What is the ideal temperature for drip coffee?
The standard answer is between 195 and 205 degrees Fahrenheit, or about 90 to 96 degrees Celsius. Search results credit this range to the Specialty Coffee Association’s Golden Cup standard, and Driftaway Coffee’s brew guide gives the same figure. The Association keeps a list of approved home brewers.
| Water temperature | Likely result |
|---|---|
| Below about 195 F (90 C) | Under-extracted: sour, thin, weak |
| 195 to 205 F (90 to 96 C) | Target range, balanced |
| Above about 205 F (96 C) | Over-extracted: bitter, harsh |
The taste column is a rule of thumb that coffee guides repeat, not a fixed law; exact taste depends on the coffee and grind.
What is the right ratio?
Driftaway Coffee recommends about 15 grams of coffee per 250 grams of water, roughly 0.5 oz per 8 oz. It notes that too much coffee or too little water over-extracts, and the reverse under-extracts. Adjust slightly to taste.
How can you check your machine?
- Run water through the machine without coffee and measure it with a food thermometer as it leaves the showerhead.
- Some machines may run below the range, so a weak, sour cup may be a temperature problem.
- If your machine is too cool, try a certified brewer or switch to pour-over with a kettle.
Tips for pour-over or kettle brewing
- Bring water to a boil, then wait about 30 to 60 seconds to land in range (an estimate, so check with a thermometer).
- Wet the grounds first and let them bloom for 30 to 40 seconds, per one guide, for freshly roasted coffee.
- Use freshly ground coffee and clean equipment.
Does the roast change it?
Some coffee writers suggest a lower temperature for dark roasts, but it is a matter of taste, not a rule. Start inside the range and adjust a few degrees at a time.
People also ask
What temperature is best for coffee in Celsius?
About 90 to 96 degrees C, the same as 195 to 205 degrees F.
Is boiling water too hot for coffee?
Boiling (212 F, 100 C) is above the 195 to 205 F range and may taste bitter. Let it rest briefly.
Why is my drip coffee sour?
Water that is too cool, a grind that is too coarse or too little coffee can all under-extract. Check the temperature first.
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