A watermelon riddle originally involved a rockmelon (a term for “cantaloupe” used in Australia and New Zealand), but this was later replaced with “cantaloupe” or just “melon.”
   
“Why did the Rockmelon jump into the river? He wanted to become a Watermelon!” was posted on Twitter by iluvchimpoo on February 11, 2013. “Why did the Rockmelon jump into the river? He wanted to become a Watermelon!” was posted on Twitter by Sarah Llewellyn on November 1, 2013. “Why did the rockmelon jump into the river? He wanted to become a watermelon” was printed in the Fraser Coast Chronicle (Maryborough, Queensland) on February 15, 2014.
 
“Why did the cantaloupe jump into the pool?  It wanted to become a watermelon 😪” was posted on Twitter by halal papi🔜Dreamcon on May 13, 2017. “Why did the cantaloupe jump into the pool?? Because it wanted to become a watermelon” was posted on Twitter by jasmine on July 30, 2018. “Why did the cantaloupe jump into the pool? It wanted to become a watermelon” was posted on Reddit—Jokes on April 26, 2020.
   
“Why did the melon jump into the water? Because it wanted to become a watermelon” was posted on Twitter by Tej on March 17, 2020. “why did the melon jump into the water? because it wanted to become a watermelon” was posted on Twitter by tًara on November 9, 2020. “‘Why did the melon jump in the water? Because he wanted to become a watermelon’ - Mr. James” was posted on Twitter by Sexcessful1 on December 9, 2020.
 
     
Wiktionary: rockmelon
Noun
rockmelon (plural rockmelons)
1. (Australia, New Zealand) A type of melon, Cucumis melo var. reticulatus, with sweet orange flesh and a rough skin resembling netting. 
Synonym: cantaloupe
 
Twitter
iluvchimpoo
@chimpoo
Why did the Rockmelon jump into the river? He wanted to become a Watermelon! Have fun only on http://bit.ly/play—chimpoo
10:58 AM · Feb 11, 2013
   
Twitter
Sarah Llewellyn
@Sarah_Llewellyn
@TommyWasYoung @Amy_llewellyn
Why did the Rockmelon jump into the river? He wanted to become a Watermelon!
9:25 AM · Nov 1, 2013
     
15 February 2014, Fraser Coast Chronicle (Maryborough, Queensland), “Joke of the Day,” pg. 14:
Why did the rockmelon jump into the river?
He wanted to become a watermelon.
 
Twitter
halal papi🔜Dreamcon
@MoSanks
Why did the cantaloupe jump into the pool?
It wanted to become a watermelon 😪
10:32 PM · May 13, 2017
   
Twitter
yasmine
@yasmartinezz_
Why did the cantaloupe jump into the pool??
Because it wanted to become a watermelon.
10:12 PM · Jul 30, 2018
   
Twitter
LLBee 🐝
@ItsLLBee
@waglington Why did the cantaloupe jump into the pool?
It wanted to become a watermelon 🍉
7:21 PM · Mar 12, 2020
   
Twitter
Tej
@SolitudeTej
Why did the melon jump into the water?
Because it wanted to become a watermelon.
#BhulaDungaWithSid
#BhulaDungaFirstLook
@Preetisingh717 @Tweeting_Pooja @I_care_little @HatimSaylee
4:11 AM · Mar 17, 2020
 
Reddit—Jokes
Posted by u/YZXFILE April 26, 2020
Why did the cantaloupe jump into the pool?
It wanted to become a watermelon
 
Twitter
Tropical Smoothie Idaho
@IdahoSmoothie
Why did the cantaloupe jump into the pool?
It wanted to become a watermelon.
#tropjokes #tscidaho
2:03 PM · Jul 31, 2020
 
Twitter
marr ✰ 🇧🇷
@finelinests
@visiteroda why did the cantaloupe 🍈 jump into the pool? It wanted to become a watermelon 🍉
8:12 PM · Aug 5, 2020
 
Twitter
tًara
@brdrzkissy
hi here’s your daily joke!!😁😁
why did the melon jump into the water?
because it wanted to become a watermelon.
12:32 AM · Nov 9, 2020
 
Twitter
Sexcessful1
@MissNayOhMe
“Why did the melon jump in the water? Because he wanted to become a watermelon” - Mr. James ☺️🍉💦
2:47 PM · Dec 9, 2020
 
Twitter
AquaBlu Mosaics
@AquaBluMosaics
Why did the cantaloupe 🍈 jump into the pool?  ......
It wanted to become a watermelon 🍉
😄
#funnyfriday #pooljokes #friyay #welovepools
11:17 AM · Jan 22, 2021
 
Twitter
PascoSchoolNutrition
@PascoNutrition
Is it Punny?
Q: Why did the cantaloupe jump into the pool?
*
*
*
*
A: It wanted to become a watermelon!!!🤣
2:04 PM · May 11, 2021
 
Twitter
˗ˋ ୨ Aᴠᴀ ୧ ˊ˗
@AvaKittyyyy
Why did the Mellon jump in the pond? 🍉
He wanted to become a Watermelon!
3:10 PM · May 26, 2021
 
Twitter
Savannah Pool Service
@pool_savannah
Q: Why did the cantaloupe jump into the pool?
A: It wanted to become a watermelon!
10:15 AM · Jul 14, 2021
 
Twitter
Ryan Burklo, RICP® 🚢
@RyanBurklo
Dad joke:
What did the cantelope jump into the water?
He wanted to become a Watermelon.
For all you dad’s out there:
You are welcome 😂😂😂
4:59 PM · Dec 10, 2021
 
Twitter
Savannah Pool Service
@pool_savannah
Why did the cantaloupe jump into the pool? It wanted to become a watermelon.
#JOTD
7:20 PM · Mar 30, 2022
 
Twitter
Funny Teacher
@SchoolJokesK_12
Why did the cantaloupe jump into the pool?… It wanted to become a watermelon! https://bit.ly/2NjCcZM #watermelons #melons #Summer #NationalWatermelonDay #WatermelonDay
7:06 PM · Aug 3, 2022
 
Facebook
Emma Martin
July 21, 2023 at 9:57 AM ·
(...) (From ThinkAndLaugh Daiy.—ed.)
Laugh of the Day
Why did the cantaloupe jump into the pool?
“It wanted to become a watermelon!”