Can You Freeze Watermelon?

Short answer: yes. And if you just got home with a watermelon that turned out to be approximately the size of a small appliance, freezing it is the easiest way to keep most of it from going to waste.

Here’s the situation I was in last week.

I bought a watermelon. Looked perfectly reasonable in the store. Got it home, cut into it, and immediately filled an entire glass container with cubes — and the other half was still sitting on my counter staring at me.

There was no version of the next week where I was going to eat 14 pounds of watermelon. Not with a three-year-old, two businesses, and a normal human appetite. So I froze most of it.

The trick is that freezing watermelon works really well for the right uses — and not at all for the wrong ones. Set the expectation correctly and it’s one of the easiest things you can do with a fruit you bought too much of.

Can You Freeze Watermelon?

Yes, you can freeze watermelon.

The catch: it will not thaw back into crisp, juicy, fresh-out-of-the-fridge watermelon.

Watermelon is mostly water, so when it freezes, the water expands and changes the texture. Once it thaws, it’s softer. A little watery. Not the bite you get from fresh.

That doesn’t mean it’s ruined. It means frozen watermelon is for blended and frozen uses — sorbet, slushies, smoothies, popsicles, agua fresca, frozen cocktails, mocktails, fruity ice cubes for sparkling water. Not for snacking out of the container the next day.

If you go in expecting that, you’re going to love how it freezes. If you go in expecting fresh-watermelon-on-demand, you’re going to be disappointed.

Does Watermelon Freeze Well?

Depends what you mean by “well.”

For blending into things: yes, beautifully. Frozen watermelon makes incredible sorbet because the texture you’re getting is the frozen texture. Same with smoothies. Same with anything you blend.

For eating fresh after thawing: no. Don’t try to make that work. Use fresh watermelon for the salad and the platter. Freeze the rest for everything else.

Treat fresh and frozen as two different ingredients and you’re set.

How to Freeze Watermelon

There are two ways to do this. Pick based on your freezer.

If you have a side-by-side or any vertical freezer — basically, no flat shelf wide enough for a baking sheet — use the gallon bag method.

If you have a chest freezer or a freezer with a wide flat shelf, either method works. The sheet pan method gives you a little less hands-on work because you skip the air-removal step with the straw.

Both get you to the same place: individual frozen cubes that don’t clump, ready to scoop a handful at a time.

The Gallon Bag Method

What you need:

• A ripe watermelon A cutting board and a sharp knife (there’s actually a legit serrated watermelon knife that exists if you’re really into watermelon, but a regular chef’s knife is fine)
• Gallon-size freezer bags
• A drinking straw — I prefer these reusable glass ones or you can grab these plastic ones for other cups, water bottles, and tumblers

What you do:

1. Cut the watermelon into slices, then trim off the rind.
2. Cut the flesh into 1-inch cubes. Smaller is easier to blend later. Don’t go bigger than this.
3. Pick out visible seeds if you didn’t buy seedless.
4. Add the cubes to a gallon freezer bag, arranging them in a single layer so they’re not stacked.
5. Seal the bag almost all the way, leaving a small opening at the corner. Slide a straw in, suck out as much air as you can, then pinch the bag around the straw and pull the straw out as you seal the rest of the way.
6. Lay the bag flat in the freezer.
7. Freeze for 2 to 4 hours, until solid.
8. Label with the date. (Future you will not remember.)

The single-layer-in-the-bag part is the one step people skip and regret. If you dump the cubes into the bag in a pile and freeze them, you get one giant frozen brick. Laid flat with the air pulled out, they freeze as individual cubes.

The straw trick is doing what a vacuum sealer would do — removing the air so you get less freezer burn and the cubes keep better at the 3-month mark.

If you batch-prep or freeze produce regularly, an actual vacuum sealer is worth the counter space.

The Sheet Pan Method

What you need:

• A ripe watermelon
• Cutting board and a sharp knife
• A quarter sheet pan that fits in your freezer (a half sheet won’t fit in most home freezers)
• Parchment paper
• Freezer-safe bags

What you do:

1. Cut the watermelon into slices, then trim off the rind.
2. Cut the flesh into 1-inch cubes.
3. Pick out visible seeds if you didn’t buy seedless.
4. Line a baking sheet with parchment paper.
5. Spread the cubes in a single layer so they’re not really touching.
6. Freeze for 2 to 4 hours, until solid.
7. Transfer to freezer-safe bags, press out as much air as you can, and seal.
8. Label with the date.

Same result as the bag method — individually frozen cubes that scoop easily. The cubes are already separated before they go into the bag, so you don’t need the straw step.

A Note on Bag Size

Gallon bags are the default. They hold a good amount, take up reasonable space, and don’t add a lot of plastic to your freezer.

If you’re a smoothie-every-morning person who’d rather grab a pre-portioned single-serving bag than dig through a big one, quart bags work too. The tradeoff is a lot more small bags taking up space — and honestly, scooping a handful out of a flat gallon bag is just as fast as grabbing a quart bag.

I’d start with gallon and switch only if you find yourself wanting pre-portioned servings.

Can You Freeze Watermelon Chunks?

Yes — and chunks are honestly the best format for freezing.

Chunks are easy to portion, easy to blend, and easy to throw into a drink. Cut them about 1 inch on each side. Bigger than that and they’re harder on a regular blender. Smaller than that and you’ll lose half of them when you transfer to the bag.

Can You Freeze Watermelon Cubes?

Yes. Cubes and chunks are basically the same thing here. If you already cut your watermelon into cubes for snacking and now realize you have way too much, you don’t need to re-cut anything — just transfer them to a gallon freezer bag or on a sheet pan in a single layer and freeze.

Frozen watermelon cubes are great for:

• Smoothies
• Sorbet
• Slushies
• Popsicles
• Agua fresca
• Frozen margaritas and mocktails
• Sparkling water (they chill it without watering it down)
• Watermelon lemonade

Try this easy watermelon sorbet recipe →

Can You Freeze Watermelon Slices?

Technically yes. Practically, don’t.

Slices take up more freezer space, they stick to each other, and they’re harder to use in anything once they’re frozen. If your watermelon is already in slices, do yourself a favor and cube it before you freeze it. Future-you will be much happier with a bag of cubes than a stack of frozen wedges.

How Long Does Watermelon Last in the Freezer?

About 3 months for the best flavor and texture.

After that it’s usually still safe, but the quality starts to slip — and you can taste the freezer on it. Pressing the air out of the bag before sealing helps a lot.

How Long Does It Take Watermelon to Freeze?

2 to 4 hours for 1-inch cubes spread in a single layer. Bigger pieces or a more crowded sheet pan will take longer. If you’re freezing overnight, it’ll be solid by morning regardless.

Can You Thaw Frozen Watermelon?

You can — but for most uses, you don’t need to.

Smoothies, sorbet, slushies, popsicles, agua fresca: blend it straight from the freezer. The frozen state is the whole point.

If you do thaw it (for a juice, a sauce, a syrup), expect soft and watery. That’s fine for blended or strained uses. Not fine for eating fresh.

What to Make With Frozen Watermelon

This is where freezing it actually pays off. A bag of frozen watermelon cubes turns into a real summer drink or dessert in about five minutes.

• Watermelon sorbet. Blend frozen watermelon, a squeeze of lime, and a little honey or maple syrup to taste. No ice cream maker. Done in one minute in a good blender.
• Watermelon slushie. Frozen watermelon, lime juice, a splash of coconut water. Blend.
• Watermelon smoothies. Pairs well with strawberries, mint, lime, pineapple, or Greek yogurt. You won’t need much extra liquid because watermelon already brings it.
• Watermelon popsicles. Blend watermelon with lime juice, pour into popsicle molds, freeze.
• Watermelon agua fresca. Blend with water and lime, strain if you want it smooth.
• Fruity ice cubes. Drop frozen watermelon cubes into sparkling water, lemonade, or iced tea. They keep the drink cold without watering it down. (Or freeze blended watermelon purée in silicone ice cube trays for a smoother version.)

What Not to Use Frozen Watermelon For

Skip frozen watermelon for anything that needs the texture of fresh. That means:

• Fresh fruit salad
• Watermelon feta salad
• A snacking platter
• Anything where someone is going to bite into a piece

For those, use the fresh half first. Freeze the rest.

If You Bought Too Much Watermelon, Here’s What I’d Do

This is exactly the plan I used.

1. Keep enough fresh for the next 3 to 4 days. Snack, salad, whatever.
2. Cube the rest.
3. Freeze on a sheet pan for a few hours.
4. Transfer to freezer bags.
5. Use over the next 3 months for sorbet, smoothies, popsicles, agua fresca, frozen drinks.

That’s it. No heroic effort, no eating watermelon at every meal, no panic at the end of the week when it starts to go soft.

FAQs

Can you freeze watermelon?

Yes. There are two ways: lay cubes in a single layer in a gallon freezer bag, suck the air out with a straw, and freeze flat — or spread the cubes on a parchment-lined sheet pan, freeze until solid, then transfer to bags. Pick based on whether a sheet pan fits in your freezer.

Is frozen watermelon good?

Yes — for blended or frozen uses (sorbet, smoothies, slushies, popsicles, drinks). Not for snacking after it thaws.

Can you eat frozen watermelon?

You can, but straight from the freezer it’s rock solid. Let it sit a couple minutes or blend it into something.

Can you freeze watermelon with seeds?

Yes. It’s easier with seedless, but if yours has seeds, just pick them out as you cube it.

Can you freeze watermelon rind?

Technically yes, but this post is about freezing the fruit. Trim the rind off before you freeze.

How long does it take watermelon to freeze?

About 2 to 4 hours for 1-inch cubes in a single layer.

Do you need to add sugar before freezing watermelon?

No. Sweeten later if you’re making sorbet or popsicles.

So yes — if you bought way too much watermelon, freeze most of it.

Three months from now when you want a watermelon sorbet in literally one minute, you’ll be very glad you did.

Final Thoughts

So, can you freeze watermelon?

Yes — and honestly, you probably should if you bought more watermelon than you can realistically eat.

The trick is knowing that frozen watermelon is not the same as fresh watermelon. It will not thaw back into that crisp, juicy texture.

But when you use it frozen, it is perfect for easy summer recipes like watermelon sorbet, smoothies, slushies, popsicles, and drinks.

So before that giant container of watermelon goes bad, freeze some of it.

Your future self will be very happy to find it when you want something cold, fruity, and refreshing in five minutes.