In this short article, we’ll look at the shelf life of almond milk at room temperature in order to answer the question “how long can almond milk be kept out.” Furthermore, we will cover various methods for spotting sour almond milk.

So, without further ado, let’s get started and learn more about it.

Is it safe to leave almond milk out for an extended period of time?

If it is still unopened and stored in a cool, dry, and dark area of your pantry away from direct sunlight and heat, shelf-stable almond milk or almond milk that is sold unrefrigerated lasts for around 1-2 months following its “best before” date.

Once the almond milk is opened, the clock starts ticking, and you only have a limited amount of time to experience the full flavor of the almond milk. When maintained at room temperature, open almond milk lasts around 2 hours.

Almond milk is a perishable product that contains a variety of macro and micronutrients. Furthermore, because it contains a lot of water, germs and other microbes will find their way into your almond milk and spoil it if it is left out for more than 2 hours.

Because bacterial development is faster between 40 and 140 degrees Fahrenheit, almond milk left out for more than 2 hours should be discarded.

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Furthermore, if the ambient temperature is about 90 degrees Fahrenheit, the deterioration process is accelerated, and it is recommended to discard almond milk that has been left out in the open for more than an hour at 90 degrees Fahrenheit.

It’s worth noting that the values above represent almond milk’s expected shelf life.

When it comes to storing almond milk, what is the best temperature to keep it at?

Almond milk should be kept in the refrigerator at 40 degrees Fahrenheit or below. Bacterial development is accelerated at temperatures between 40 and 140 degrees Fahrenheit, so almond milk should always be stored at a lower temperature to maintain its freshness and quality for a longer period of time.

Is it safe to drink almond milk after the best-before date has passed?

The “best by” or “best before” date on an almond milk carton relates to the quality of the product rather than its safety, therefore almond milk does not necessarily go bad beyond the best before date.

This date refers to the time when almond milk is at its best in terms of quality and flavor, but you can still use almond milk that has passed this date as long as it was stored properly, there is no leakage in the carton, and there are no symptoms of mold.

How to Recognize Bad Almond Milk

There are a few telltale signs that indicate poor almond milk. To determine whether or not the almond milk has gone bad, assess the appearance, texture, smell, and taste of the product.

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If you notice mold or any other organic growth in your almond milk carton (which is a very unusual occurrence), the best thing you can do is discard it because it indicates bad almond milk.


If the almond milk is curdled or has lumps in it, it is rotten almond milk, and you should discard it.


If you smell something unpleasant or sour while doing a sniff test, the almond milk has gone bad and you should discard it.

Almond milk has a nutty aroma, and the absence of this perfume indicates that your almond milk is past its prime.


If the almond milk has passed the visual and olfactory tests, you can taste it. If you take a small sip of almond milk and detect a sour or somewhat bitter taste, it’s a sign that the milk has gone bad.

How to Store Almond Milk Properly

Because almond milk absorbs scents, it should be kept refrigerated in an airtight container or bottle. It should also be kept away from strong-smelling foods like garlic and onions.

It is preferable to store almond milk on a refrigerator shelf rather than the door, as the door of the fridge experiences a lot of temperature fluctuation, which can impair the quality of almond milk.

Almond milk should be kept on the lowest shelf of the refrigerator since it is the coldest portion of the fridge, with a temperature of 38 to 40 degrees Fahrenheit.


We examined the shelf life of almond milk at room temperature in this quick guide to answer the question “how long can almond milk be kept out.” We also talked about how to tell whether almond milk is bad.

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