Watermelon Lemonade

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5 from 7 votes
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Homemade watermelon lemonade is a light and refreshing summer drink that’s easy to make with 3 ingredients: fresh watermelon, lemons, and sugar.

Watermelon lemonade in mason jar garnished with wedge of fresh watermelon.

My family loves watermelon. We enjoy watermelon fruit salad and this fresh watermelon lemonade recipe throughout the summer months.

Perfectly sweet and tangy, this refreshing summer drink tastes like a cross between fresh watermelon juice and homemade lemonade. The flavors of sweet watermelon and tart lemonade combine for the most refreshing summer drink – perfect for hot summer days. Make a pitcher to enjoy at home or for your next summer party, BBQ, or bridal shower!

Watermelon lemonade in glass pitcher and served in two glasses with fresh watermelon wedges for garnish

Ingredient Notes

This section includes ingredient notes and substitution options. Get all measurements, ingredients, and instructions in the printable recipe card at the end of this post.

watermelon, measuring cup of water, bowl of sugar, 3 lemons
  • Watermelon – Half a regular watermelon or a whole seedless watermelon. Enough for 6-7 cups of cubed watermelon.
  • Lemons – You will need 2 or 3 lemons to get ½ cup freshly squeezed lemon juice.
  • Sugar – start with ½ cup sugar, you can always add more to taste.
  • Cold water
Two watermelon lemonades served in mason jars with watermelon wedges on the rim
5 from 7 votes

Homemade Watermelon Lemonade

Author: Jaclyn
Prep: 15 minutes
Cook: 5 minutes
Cool Time 30 minutes
Total: 50 minutes
Watermelon lemonade is a light and refreshing summertime drink that is easy to make with fresh watermelon, lemons, and sugar.


  • 3 ½ cups water divided
  • ½ cup granulated sugar
  • ½ medium-sized watermelon cubed (approx. 6-7 cups)
  • ½ cup fresh lemon juice about 2-3 large lemons


  • In a small saucepan, make a simple syrup by bringing ½ cup water and sugar to a boil over high heat. Reduce to medium-low and simmer until sugar is dissolved, stirring frequently. Remove from heat and allow to cool.
    2 image collage: on left, saucepan with sugar and water. On right, sauce pan with water and sugar that has dissolved.
  • Puree watermelon slices in a blender and until smooth. Strain through a fine mesh strainer to remove any seeds or pulp.
    3 image collage: on left- chopped watermelon in blender. In middle - pureed watermelon in blender. On right: watermelon puree going through mesh strainer.
  • Add the 3 cups of watermelon puree, cooled simple syrup, lemon juice, and 3 cups of water to a pitcher. Stir gently to combine.
    Glass pitcher of watermelon lemonade.
  • Chill in the refrigerator until ready to serve. To serve, pour over glass of ice cubes and garnish with a wedge of watermelon, if desired.
    Watermelon lemonade being poured from pitcher into glass garnished with fresh watermelon.


  • If the beverage sits for a while it will separate a bit, so give it a quick stir before serving.
  • For a lighter drink replace the sugar with your favorite sugar substitute.
  • Turn this into a tasty watermelon lemonade cocktail by adding a splash of vodka or rum.
  • Use a lemon squeezer to get the most juice out of your lemons.


Calories: 86kcal | Carbohydrates: 22g | Protein: 1g | Fat: 0.2g | Saturated Fat: 0.03g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.04g | Sodium: 7mg | Potassium: 144mg | Fiber: 1g | Sugar: 20g | Vitamin A: 650IU | Vitamin C: 15mg | Calcium: 12mg | Iron: 0.3mg
Two watermelon lemonades served in mason jars with watermelon wedges on the rim

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Glass mason jar filled with fresh watermelon lemonade and garnished with watermelon slice
5 from 7 votes (7 ratings without comment)

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