What is the optimal water temperature for brewing coffee?

Joshua Allerton
June 14, 2023

The optimal water temperature for brewing coffee is between 90°C to 96°C (195°F to 205°F). The perfect temperature depends on factors such as the type of coffee beans, roast level, brewing method, and personal preference.

Brewing the perfect cup of coffee requires precision and attention to detail. Along with the quality of coffee beans and the brewing method, the water temperature plays a crucial role in determining the flavour, aroma, and overall quality of the coffee. In this blog post, we will explore the optimal water temperature for brewing coffee and answer the frequently asked question - "What temperature should I brew my coffee at?"

The brewing process

Before delving into the specifics of water temperature, let's first understand the science behind the brewing process.

Coffee contains a delicate balance of acids, oils, and flavour compounds that can be easily affected by various brewing parameters. When coffee grounds come in contact with hot water, the water extracts the soluble compounds from the coffee beans, leading to the creation of a brew. However, the amount and quality of these soluble compounds depend on the temperature of water, the solubility of coffee compounds, and the brewing time.

Let's look at the factors that influence the water temperature for coffee brewing in detail.

Type of Coffee Beans:

Different coffee beans have different solubility levels, primarily due to variations in acidity, roast level, and origin. For example, Arabica coffee beans are generally more acidic and have a higher solubility level than Robusta coffee beans. Therefore, Arabica beans require a slightly lower water temperature (around 90°C) than Robusta beans (around 96°C) for optimal extraction.

Roast Level:

The degree of roast significantly affects the flavour profile of coffee and determines the ideal water temperature for brewing. Lighter roasts have a higher acidity level and require a lower water temperature to achieve a balanced brew. In contrast, darker roasts have a lower acidity level and need a higher water temperature to extract the full flavour. As a general rule, lighter roasts brew best at 90°C to 93°C, while darker roasts require water temperatures between 93°C to 96°C.

Brewing Method:

The brewing method also plays a significant role in determining the water temperature for coffee. Each method - drip, pour-over, espresso, French press, etc. - has its own set of parameters, including the water temperature. For instance, drip coffee makers typically require a higher temperature range (around 90°C to 96°C) to compensate for the longer contact time and achieve adequate extraction of the grounds. Espresso machines, on the other hand, work at much higher pressure and require precise water temperature (around 93°C) to extract the signature flavors.

Personal Preference:

Last but not least, personal preference is the driving force behind the ideal water temperature for brewing coffee. Some coffee drinkers may prefer a bright, acidic taste and prefer a lower water temperature for extraction, while others might prefer a bold, full-bodied coffee that requires higher temperatures. Experimenting with different water temperatures and brewing methods is the best way to find out your personal taste profile.

Having said that, it is crucial to maintain consistency in your brewing process to achieve the desired flavour and taste. Therefore, investing in a digital thermometer or using a temperature-controlled kettle can help you maintain the optimal water temperature for coffee brewing.


Now you know the optimal temperature, let's down to brewing! Start with a filter coffee before explore espresso-based coffee. It's easier to control the temperature and you can experiment more.

Happy brewing!

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