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The time it takes to dehydrate almonds depends on your method, but generally, almonds take anywhere from 12 to 24 hours in a dehydrator at 115°F to 125°F.
If you’re using an oven on its lowest setting, you’re looking at roughly 12 to 16 hours with the door slightly cracked for airflow.
So whether you’re soaking raw almonds for almond milk, activating them for easier digestion, or just making crunchy snacks, knowing how long to dehydrate almonds makes all the difference.
In this post, we’ll cover exactly how long to dehydrate almonds, the factors that affect drying time, and the best ways to get that perfect crunch.
Let’s get into it.
How Long to Dehydrate Almonds: The Short Answer
The short answer to how long to dehydrate almonds is 12 to 24 hours, depending on your equipment and the texture you’re after.
That’s the range you’ll see most often when you look up how long to dehydrate almonds, and it’s a pretty reliable one.
But here’s the thing: that window is wide for a reason.
In this section, we’ll break down the timing so you know exactly what to expect before you start.
1. Dehydrator Timing
If you’re using a food dehydrator set to 115°F to 125°F, almonds typically need 12 to 24 hours.
Soaked almonds, which are fuller and hold more moisture, usually land on the longer end of that range.
Dry, unsoaked almonds take less time, often closer to 12 hours since there’s less water to remove.
2. Oven Timing
An oven on its lowest setting works too, though it’s less precise than a dehydrator.
When you dehydrate almonds in the oven, plan for about 12 to 16 hours at 150°F or lower.
Keep the door slightly ajar so moisture can escape and air can circulate.
3. Sun Drying (Not Ideal)
You can technically dehydrate almonds in the sun, but it’s unpredictable and takes much longer.
On a hot, dry day, expect two to three days of sun exposure, and even then, the result won’t be as crisp.
That’s why most people who dehydrate almonds use a machine or an oven.
Factors That Affect How Long to Dehydrate Almonds
Not every batch behaves the same, and several things can stretch or shrink your drying time.
Here’s what to keep in mind when you dehydrate almonds.
1. Whether You Soaked Them First
Soaked almonds contain more moisture, so they naturally take longer to dehydrate.
If you soaked your almonds for 12 hours and want them dry and crunchy, plan for up to 24 hours.
2. Temperature and Airflow
The warmer the air and the better the airflow, the faster almonds dehydrate.
A dehydrator with a fan circulates air evenly, which speeds things up compared to a closed oven.
3. Almond Size and Batch Thickness
Smaller almonds dry faster than larger ones, and a crowded tray slows everything down.
Spread almonds in a single layer so air can move around each one.
4. Your Desired Texture
Some people like their dehydrated almonds with a slight chew, while others want them cracker-crisp.
If you want maximum crunch, lean toward the longer end of how long to dehydrate almonds.
How to Tell When Almonds Are Done
The best way to know when to stop is by testing a few almonds rather than watching the clock.
A properly dehydrated almond snaps cleanly when you bite it.
It shouldn’t bend or taste chewy in the center, and the skin should feel dry and papery.
If your almonds still have any give, give them more time and check again in an hour or two.
And when in doubt about how long to dehydrate almonds, always err on the side of longer.
Under-dehydrated almonds can mold, while over-dehydrated ones just get crunchier.
Tips for Better Dehydrated Almonds
A few small habits make a big difference when you dehydrate almonds.
Rinse soaked almonds well before drying, and pat them dry with a towel to cut down on time.
Space them evenly on trays or baking sheets instead of piling them up.
Once done, let almonds cool completely before storing them in an airtight jar.
That way, they stay crisp for weeks rather than going soft from trapped steam.
So, How Long to Dehydrate Almonds?
Almonds generally take 12 to 24 hours to dehydrate, depending on whether you soaked them and what equipment you’re using.
That’s the full range to keep in mind when you dehydrate almonds at home.
Soaked almonds in a dehydrator at 115°F to 125°F take the longest, while dry almonds in an oven can finish on the quicker end.
Test a few along the way, aim for a clean snap, and you’ll never second-guess how long to dehydrate almonds again.