How To Grill Watermelon On Gas Grill

Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!

You can grill watermelon on a gas grill, and it turns out sweet, smoky, and absolutely delicious.
 
It sounds a little strange at first, but once you try it, you’ll wonder why you didn’t grill watermelon sooner.
 
Grilling watermelon on a gas grill is actually one of the easiest ways to enjoy this juicy fruit in a whole new way.
 
The high heat caramelizes the natural sugars, giving you a warm, slightly charred treat that works as a side, a dessert, or even a salad topper.
 
In this post, we’ll walk through exactly how to grill watermelon on a gas grill, plus a few tips to get it perfect every time.
 
Let’s fire up that grill.
 

Why You Should Grill Watermelon on a Gas Grill

Grilling watermelon on a gas grill brings out a flavor profile you simply can’t get from a raw slice.
 
Here’s why it’s worth trying:
 

1. The Heat Transforms the Texture

When you grill watermelon on a gas grill, the direct heat softens the flesh just enough to make it tender without turning it to mush.
 
The outside gets a light char while the inside stays juicy and refreshing.
 

2. Natural Sugars Caramelize Beautifully

Watermelon is packed with natural sugars, and when you grill watermelon, those sugars caramelize on the surface.
 
That’s what gives grilled watermelon its signature sweet, slightly smoky flavor.
 

3. It’s a Versatile Dish

You can serve grilled watermelon as a dessert with honey and mint, or as a savory side with feta and balsamic.
 
Either way, learning how to grill watermelon on a gas grill opens up a ton of recipe options.
 

How to Grill Watermelon on a Gas Grill Step by Step

Knowing how to grill watermelon on a gas grill comes down to a few simple steps.
 
Follow these and you’ll nail it:
 

1. Choose a Firm, Ripe Watermelon

Pick a watermelon that’s ripe but still firm, since overly soft fruit falls apart on the grates.
 
A good rule is to look for a deep, dull rind and a hollow sound when you tap it.
 

2. Cut Thick, Even Slices

Slice your watermelon into wedges or planks about one inch thick.
 
Thicker slices hold up better when you grill watermelon on a gas grill, so don’t go too thin.
 

3. Pat the Slices Dry

Excess moisture steams the fruit instead of grilling it, so pat each slice dry with a paper towel.
 
This small step makes a big difference when you grill watermelon.
 

4. Preheat Your Gas Grill to Medium-High

Set your gas grill to medium-high heat, around 400 to 450°F.
 
Give it about ten minutes to get fully hot before you place anything on the grates.
 

5. Oil the Grates Lightly

Brush the grates with a little oil to keep the watermelon from sticking.
 
You can also brush the slices themselves with a thin layer of oil for extra insurance.
 

6. Grill Each Side for 2 to 3 Minutes

Place the slices on the grill and leave them alone for two to three minutes.
 
Flip once, then grill the other side for another two to three minutes until you see those gorgeous grill marks.
 

7. Add Optional Seasonings

Before or after grilling, you can sprinkle on a little sea salt, chili powder, or a drizzle of honey.
 
These extras take your grilled watermelon on a gas grill to the next level.
 

Tips for Perfect Grilled Watermelon Every Time

A few smart habits will help you grill watermelon on a gas grill like a pro.
 
Keep these in mind:
 

1. Don’t Overcook It

Watermelon cooks fast, so keep an eye on it.
 
If you leave it too long, it turns mushy and loses that refreshing bite.
 

2. Use a Clean, Hot Grill

A clean grill prevents sticking and keeps your watermelon tasting fresh.
 
Scrape the grates before you grill watermelon to avoid leftover flavors from your last cookout.
 

3. Serve It Warm or Chilled

Grilled watermelon on a gas grill tastes amazing straight off the heat.
 
But you can also chill it and add it to salads or cocktails later.
 

So, Can You Grill Watermelon on a Gas Grill?

You can grill watermelon on a gas grill, and it’s one of the simplest, most rewarding ways to enjoy summer fruit.
 
The heat caramelizes the sugars, the char adds a smoky depth, and the result is a dish that surprises everyone at the table.
 
Just pick a firm watermelon, cut thick slices, preheat your gas grill to medium-high, and cook each side for a few minutes.
 
With these tips, you’ll know exactly how to grill watermelon on a gas grill whenever the craving hits.
 
So grab a watermelon, fire up the grill, and give it a try.