Skip to Content

How long does watermelon juice last: Easy Recipe

Sharing is caring!

There's nothing like sipping on a glass of homemade watermelon juice on a hot summer day. With its high water content and natural sugars, watermelon is a top contender for one of the most refreshing fruits out there. But once you've turned that juicy summer watermelon into a refreshing drink, you might wonder: how long does watermelon juice last? Fear not, watermelon lovers! I’ve got all your questions answered right here.

A chilled glass of watermelon juice with a straw, perfect for a hot day.

How Long Does Watermelon Juice Last?

Homemade watermelon juice, with its tantalizing sweetness and refreshing quality, is undoubtedly a summer favorite. When properly stored in an airtight container in the fridge, this fresh juice generally lasts between 2-3 days. It's essential to remember that because it doesn't contain any preservatives like its store-bought counterparts, its shelf life is relatively short. To ensure you're savoring the best flavor and quality, aim to consume your homemade watermelon juice within this time frame.

Easy Watermelon Juice Recipe

TWO WEEK FREE Trial to VidAngel

Want to try VidAngel? Get a FREE two-week trial and discover how to personalize your streaming experience and enjoy content your way.

We earn a commission if you make a purchase, at no additional cost to you.

Let’s start with a simple step-by-step instructions on how to make delicious watermelon juice. Trust me, it's one of the best thirst quenchers you’ll ever make!

whole watermelon into quarters


  • 1 medium-sized watermelon (about 4-5 lbs for me)
  • 1 cup water


Cubed watermelon flesh ready to be blended.

With a sharp knife, cut the watermelon into quarters.

Then, remove and discard the watermelon rind.

Adding water to a blender filled with watermelon cubes.

Cut the watermelon flesh into cubes and place them in a blender.

Add water to the blender.

Blender in action, turning cubes into a smooth juice.

Blend until smooth.

Pouring  through a fine mesh strainer into a pitcher.

Use a fine mesh strainer (or fine-mesh sieve) to strain the juice and pour it into a pitcher.

Keep your delicious watermelon juice refrigerated.

Close-up of a glass filled with vibrant watermelon juice

Tips to Prolonging Your Juice's Freshness:

Homemade watermelon juice, a symphony of sweetness and refreshing flavors, beckons many of us during the summertime. But its natural and preservative-free constitution raises a crucial question: How long can we store this delicious elixir? The general consensus is 2-3 days when stored in the fridge. However, a few key practices can ensure that you maximize its shelf life and quality:

  • Airtight Container: An essential first step after making your juice is to transfer it into an airtight container. This shields the juice from potential contaminants and external flavors, preserving both its vibrant taste and its rich nutritional content.
  • Avoid Room Temperature: The tempting red hue of watermelon juice can turn into a haven for microbes if left out at room temperature for extended periods. Its high water content makes it especially susceptible to spoilage. Always ensure it's promptly refrigerated after preparation or after serving.
  • Added Sugars: Though the inherent sweetness of watermelons is often enough, some might crave an added touch. A dash of maple syrup or simple syrup can enhance its sweetness. However, it's worth noting that added sugars can slightly alter its shelf life, often necessitating quicker consumption.
  • Mix It Up: If you're in the mood to innovate, consider variants like watermelon mint juice or even a blend with orange juice. These mixes not only offer a new taste profile but can also rejuvenate the juice's overall feel if you're storing it for a day or two.

In essence, while homemade watermelon juice is a delightful treat, it's fleeting in its freshness. Always aim to consume it within the recommended time, staying vigilant for any signs of spoilage. And most importantly, savor every sip of this summer's delight!

Tall glass to drink

Key Takeaways:

To ensure you enjoy every last drop, here are some indispensable pointers to keep in mind:

  • Quality Matters: The foundation of a flavorful watermelon juice lies in the choice of the fruit. Look for a watermelon with a distinct yellow spot, known as a field spot. This golden mark is a testament to the sun-kissed hours it spent ripening in the field, ensuring juicy and flavorful flesh within.
  • Airtight Container: Once your juice is prepared, decant it into an airtight container. This barrier ensures no external contaminants tarnish its essence, preserving its nuanced flavors and abundant nutritional richness.
  • Avoid Room Temperature: Quick to spoil because of its high water content, it's crucial never to leave your watermelon juice lounging at room temperature. Always pop it back into the refrigerator after pouring out a glass.
  • Added Sugars: While watermelons are inherently sweet, a sweeter palate might yearn for more. Consider enhancing its sweetness with a hint of maple syrup or simple syrup. Do bear in mind, though, that introducing additional sugars can tweak its refrigeration life.
  • Mix It Up: Infuse a new dimension into your juice by experimenting with combinations. How about a zesty watermelon mint juice? Or a blend harmonized with the tang of orange juice? These concoctions not only refresh the palate but can also be a delightful surprise when serving guests.
  • Flavor Boost: Amplify the taste by introducing a squeeze of lime juice or garnishing with fresh mint leaves. These simple additions can uplift the juice's profile, transforming it from a refreshing drink to a gourmet experience.
  • For a Chilled Treat: If you're in the mood for a frosty delight, pour the juice into ice cube trays. Once frozen, these watermelon ice cubes make for a splendid addition to drinks, offering a slow melt of flavor.
  • Consistency is Key: Over time, the juice might undergo separation, leading to a layered look in your pitcher. Don’t be alarmed. A swift stir will bring back its consistent blend, ready to be poured and savored.
Front view shot of a glass of juice, showcasing its rich color.

FAQ on Watermelon Juice

How long does watermelon juice last in the fridge?

Typically, homemade watermelon juice will last about 2-3 days in the fridge when stored in an airtight container. Remember, it doesn’t have added preservatives, so it won’t have the same shelf life as store-bought juices.

What signs of spoilage should I look for?

Signs include a sour or off odor, mold growth, or fermentation (bubbles, a fizzy sound when opening). If the juice separates, it's generally okay, but if you see any brown spots, it’s time to toss it.

Can you freeze watermelon juice?

Absolutely! Pour the leftover watermelon juice into ice cube trays and freeze. This way, you can enjoy it for up to 30-60 days. Plus, they make for a great addition to other drinks!

What are some of the best ways to use watermelon juice?

Apart from drinking it straight up, watermelon juice is a favorite addition to cocktails, smoothies, and even as a base for watermelon salad dressings. It's also a great way to hydrate after a workout!

What’s the best part of the watermelon to juice?

The juicy watermelon flesh is the best part. However, if you’re feeling adventurous, small amounts of watermelon rind can be juiced too – but it will have a distinct flavor.

Yield: 10

Watermelon Juice

An image of a tall glass containing freshly squeezed watermelon juice

Embrace the essence of summer with this easy watermelon juice recipe. Made from the lush, juicy flesh of ripe watermelons, this drink captures the spirit of sunny days and gentle breezes. With a prep time of just 5 minutes, you can effortlessly whip up a batch that yields between ½ to ¾ of a gallon, perfect for serving 8 to 12 thirsty souls. Whether you're lounging by the pool, hosting a garden brunch, or simply seeking a refreshing drink after a long day, this watermelon juice promises to be your go-to. The added touch of water ensures a smooth consistency, while the straining process delivers a pure, velvety texture. Serve chilled with a hint of mint or a splash of lime for an elevated taste experience. Cheers to the perfect fruit drink that embodies the heart of summer!

Prep Time 5 minutes
Total Time 5 minutes


  • 1 medium sized watermelon (mine was about 4-5 lbs)
  • 1 cup water


  1. Cut the watermelon into quarters. Then remove the peel all around. Discard the peel.
  2. Cut the watermelon into cubes and put them in the blender.
  3. Add the water to the blender.
  4. Blend until smooth.
  5. Using a strainer, strain the juice and pour it in a pitcher.
  6. Keep refrigerated.

Conclusion: Relish the Refreshing Goodness

In the summer months, when the sun is scorching, and you're looking for the perfect fruit to hydrate with, watermelon tops the list. This refreshing summer drink, especially when made from scratch, is one of life’s simplest pleasures. Remember, always keep it refrigerated, enjoy it within a couple of days for the best results, and never hesitate to experiment and mix it with other fresh fruits for a delightful summer concoction. So the next time you have a whole watermelon lying around, grab that sharp knife, follow the easy watermelon juice recipe, and quench your thirst the best way possible!

Sharing is caring!

Skip to Recipe