Strawberry Watermelon Smoothie

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This Strawberry Watermelon Smoothie is my favorite summertime refreshing smoothie! This simple combination never gets old and it’s equally popular with kids or adults. The sweet berry flavor pairs perfectly with the juicy watermelon. It’s frosty cold and a touch of mint makes it even more refreshing as a variation. There’s no bananas involved in this smoothie, just 3 simple ingredients. It’s also gluten free, dairy free, vegan, and paleo as well.

Two tall glasses of Strawberry Watermelon Smoothie against a grey backdrop with watermelon slices around them and a strawberry on the sides of the glasses.

This smoothie is summer in a glass! It’s so refreshing whenever temperatures soar, and it’s perfect for summertime activities. I first started making this smoothie after we hiked Turtle Mountain in Crowsnest Pass, Canada.

It was super hot, and when we got back I started foraging the fridge and found some watermelon. From there I blended it up with frozen strawberries, and downed a 32 ounce jar in record time.  

We had just spent the last week making all sorts of smoothies with my 3 year old nephew, who absolutely loves them, and knows no end of enthusiasm for all things blended!

Smoothie has now been pronounced “Smoodieee!” (the way he said it) in our house ever since. We came up with a few really good combinations that week. But this one was by far my favorite because it’s the perfect thirst quencher.

A side view of 2 glasses Strawberry Watermelon Smoothie with watermelon cubes on top, watermelon slices alongside, and 2 strawberries on the rims of the glasses.

It’s been about 10 years now since we first made this smoothie, and it’s still our summertime favorite! I get the craziest looks, (and comments) when people see me pushing my grocery cart with 3 gigantic watermelons in it. Or even more comical when I try and bring home 20+ pounds of watermelon from the local farmer’s market!

People think I must be throwing the biggest BBQ party ever. And they’re always stunned to learn I’m actually just buying that much watermelon for me and my husband. Since we’re both crazy about watermelon, we tend to go through a lot!

We’ve developed a couple of watermelon drinks and smoothies over time. So you’ll be seeing our favorite drink to take hiking soon – the Watermelon Thirst Quencher. I never quite got around to getting the measurements down last year. But this year’s a different story, and I’ve got you covered in the watermelon department this season!

Let’s get started by talking about the ingredients for this Strawberry Watermelon Smoothie!

  • Watermelon – either fresh or frozen works here in this smoothie. In fact I love using frozen watermelon along with frozen berries for a super frosty smoothie. This smoothie is super simple, so it really matters that you have a great tasting watermelon. Otherwise your smoothie will be bland.
  • Strawberries – I always use frozen berries here with either fresh or frozen watermelon.
  • Lemon or lime juice – fresh is a must here because you can really taste the difference in this simple smoothie. Just a touch of zippy citrus juice goes a long ways towards pulling the flavors together and keeping this from being too sweet.
  • Mint – is a fun variation I love but Tyler isn’t as fond of. Only add it if you love the fresh flavor of mint, and don’t be tempted to add to much. I like to blend the smoothie first, then add a few mint leave in the end and blend only until little green bits remain.

Now let’s make this Strawberry Watermelon Smoothie recipe step by step!

Cutting the rind away from the watermelon on a wooden cutting board.

Step 1:

First we’ll start by removing the rind from the watermelon. I had some mini watermelons, so I cut all the rind off like you would for an orange. But when I have regular sized watermelon, I cut slices first. Then I cut cubes across the slices before cutting off the watermelon rind, leaving the cubes behind.

Cubed up watermelon on a wooden cutting board.

Step 2:

Cube up your watermelon. I like to keep the cubes small so I can fit more in the blender.

Cubed watermelon and frozen strawberries on a wooden cutting board.

Step 3:

Measure out the frozen strawberries, and juice the lemon or lime.

Watermelon cubes in the blender with lemon juice and frozen strawberries sitting next to it on a wooden cutting board.

Step 4:

Next add the cubed up watermelon to the blender. You can see the blender will be full right up to the max line.

Blended watermelon in the blender on a wooden cutting board with frozen strawberries next to it.

Step 5:

Next it’s time to blend the watermelon to make more room in the blender. You will have about 8 cups of watermelon pieces, and 5-6 cups of watermelon purée after blending.

Eight cups of watermelon is about 2.5 pounds. The watermelon that I bought weighed 18 pounds, so I’ll be making this everyday this week!

Two glasses of Strawberry Watermelon Smoothie on a white background with small cubes of watermelon on top and a strawberry on the side of the glass.

Step 6:

Finally blend until smooth and enjoy right away!

More strawberry smoothies:

And if you have a gigantic watermelon to use up too, try some of these recipes below!

Watermelon recipe inspiration:

Two glasses of Strawberry Watermelon Smoothie on a white background with a blue linen behind them and watermelon slices around the glasses.

Here’s to the long, hot days of summer – I’m going to enjoy every minute while it lasts! I really hope you enjoy this Strawberry Watermelon Smoothie. And if you do get a chance to make it, I hope you’ll leave me a comment/rating below.

I always love hearing from you here! Also for lots smoothie recipes, head over to the recipe index. And for smoothie tips, check out my How to Make a Smoothie with 35+ Recipes!

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Two glasses of Strawberry Watermelon Smoothie on a white background with small cubes of watermelon on top and a strawberry on the side of the glass.

Strawberry Watermelon Smoothie


Description

This Strawberry Watermelon Smoothie is my favorite summertime refreshing smoothie! This simple combination never gets old and it’s equally popular with kids or adults. The sweet berry flavor pairs perfectly with the juicy watermelon. It’s frosty cold and a touch of mint makes it even more refreshing as a variation. There’s no bananas involved in this smoothie, just 3 simple ingredients.


Ingredients

Scale

8 cups cubed watermelon, seedless, fresh or frozen for a frostier smoothie

12 ounces of frozen strawberries, 3 cups

1/4 cup freshly squeezed lemon juice, 1 lemon, or juice of 2 limes

Optional: sweetener of choice if your fruit isn’t perfectly ripe, and or 3-5 mint leaves


Instructions

Place the watermelon cubes into a blender and blend until smooth. It should be reduced to around 5 cups.

Add the strawberries and lemon juice and blend again until smooth.

Serve right away or refrigerate for up to 1 day.

Notes

This smoothie tastes best right away, but it will be almost as good refrigerated for up to one day.

  • Category: Smoothie
  • Method: Blending
  • Cuisine: American

Keywords: Watermelon Smoothie, Watermelon Smoothie without yogurt, Watermelon and Strawberry

This post was originally published in 2016, but has been updated with new photos, new information, and lots more tips in 2021!

37 thoughts on “Strawberry Watermelon Smoothie”

  1. Hi,did I miss the calorie count or do you do that? I know this will be good and I thank you!

    Reply
  2. I cut the recipe down to just 1/6 of the original numbers for myself. It was AMAZING. Thanks for sharing!

    Reply
  3. Wow! This is so good and refreshing . I made this for my daughter who just had braces put on. Her teeth are so sore and she only wants smoothies. She was very pleased when I gave this to her tonight! Thanks for the great recipe.

    Reply
    • I use 1/4 cup freshly squeezed lemon juice. I use a gadget called a reamer to juice my lemons but you can simply squeeze them by hand as well. Start by rolling the lemon under the palm of your hand, applying pressure to slightly soften the lemon. Next cut it in half and squeeze out the lemon juice, you can use a fork or the reamer I mentioned to make juicing the lemon easier. Hope this helps, and let me know if you have anymore questions!

      Reply
    • The strawberries don’t have to be frozen for this smoothie, but it’s best if they’re cold so that your smoothie won’t be warm. When they’re frozen they make kind of a slushy texture which is nice when the weather is hot.

      Reply

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