How Old Are The Characters In Tsitp Season 3

So, we’re all counting down the days until The Summer I Turned Pretty Season 3 drops, right? And you’ve probably found yourself wondering: how old are these characters now? It’s a fair question, because time moves weirdly in Cousins Beach.

Remember, the timeline isn’t as simple as real life. The first season covered one summer, and Season 2 picked up the next. But in the books, there’s a big time jump before the final story.

The Core Three: Belly, Conrad, and Jeremiah

Okay, let’s start with the person we all care about most: Belly. In the TV show, she’s sixteen in Season 1 and around seventeen in Season 2. But for Season 3? She’s likely eighteen—maybe even a second-year college student.

Why does that matter? Because an eighteen-year-old Belly sees the world differently. She’s not that awkward middle school girl anymore. She’s legally an adult, which adds a whole new layer of tension and freedom to her choices.

Then you’ve got Conrad. He’s always been the older, broody one. He’s a freshman in college during Season 2, so by Season 3, he’s probably nineteen or twenty. That’s a huge gap from the sixteen-year-old he first met.

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And Jeremiah? He’s only one year younger than Conrad, so he’s likely eighteen or nineteen in the new season. Fun fact: in the books, he and Belly are practically the same age, which makes their dynamic very different from hers and Conrad’s.

Why Their Ages Actually Change the Vibe

Here’s the cool part—age isn’t just a number here; it’s the engine of the drama. When you’re eighteen, driving across state lines feels adventurous, not scary. But when Conrad is twenty, he’s thinking about real-world stuff like internships and bills.

Think of it like comparing a high school prom to a college house party. The music is louder, but the stakes are higher. Belly’s decisions in Season 3 aren’t about “who will I sit with at lunch?”—they’re about “who do I want my future to look like?”

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It’s the same reason we get butterflies watching them. Because we remember being that age, where one kiss felt like a promise and one fight felt like the end of the world. Their ages make the heartbreak feel real.

Don’t Worry About the Exact Math

Listen, if you try to do the precise calendar math, your head will spin. The show takes some liberties. For example, if Jeremiah is a senior in high school in Season 2, he should be eighteen by Season 3. But the show might fudge it a bit for the plot.

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That’s okay! It’s like asking how old a cartoon character is—it only matters for the feeling it gives you. What matters is that they’re all on the edge of adulthood, standing on a cliff and deciding whether to jump or hold on tighter.

So the answer is: Belly is around 18, Conrad is around 19-20, and Jeremiah is around 18-19. But honestly? They’re as old as the big choices they have to make. And that’s what makes this season the most intense one yet.

Now, grab a flashlight and some lemonade. The countdown is real.