“What do you call a snowman with a suntan?”/“A puddle.”

A popular snowman riddle has two forms, both with the same punchline. This was cited in a 1997 newspaper:
 
Q: What do you call a snowman with a suntan?
A: A puddle.
 
This version was cited in a 1999 book:
 
Q: What do you call a snowman in July?
A: A puddle.
 
“July” is sometimes replaced with ‘June” or “the summer” or “Florida.”
 
   
20 December 1997, The Guardian (UK), “Workers for Christmas” by David Newnham, pg. TO14:
What do you call a snowman with a suntan? A puddle.
 
Google Groups: alt.parenting.solutions
HELP! I need a clean joke!!!
zipper
11/25/99
What do you call a snowman in July?
A puddle.
 
17 June 2003, Akron (OH) Beacon Journal, “Summer Jokes,” pg. D5, col. 6:
What do you call a snowman in July?
A Puddle.
Ciara J.
 
Google Groups: alt.humor.puns
PUNS OF THE WEAK 12-05-03 Part 2 The Puns
Stan Kegel
12/6/03
(...)
What do you call a snowman in June?
A puddle!  (Barbra, 9)
 
Google Books
The Everything Kids’ Gross Jokes Book:
Side-splitting jokes that make your skin crawl!
By Aileen Weintraub
Avon, MA: Adams Media
2005
Pg. 109:
What do you call a snowman with or a suntan?
A puddle.
 
Google Books
Penguin Pocket Jokes
By David Pickering
London: Penguin UK
2006
Pg. ?:
What do you call a snowman in the desert?
A puddle
   
Twitter
Shannon Lewis
‏@shanlewis182
Reading little kid’s jokes out of the paper with my fam. What do you call a snowman in June? A PUDDLE! Ha!
1:49 PM - 30 Oct 2009
 
Reddit—Jokes
what do you call a snowman with a sun tan?
submitted December 23, 2011 by [deleted]
a puddle.
 
Google Books
Dick and Dom’s Christmas Jokes, Nuts and Stuffing
By Dominic Wood and Richard McCourt
London: Pan Macmillan
2015
Pg. ?:
What do you call a snowman in the summer?
A puddle
   
Google Books
Laugh-Out-Loud Christmas Jokes for Kids
By Rob Elliott
New York, NY: HarperCollins
2016
Pg. ?:
Q: What do you call a snowman who vacations in Florida?
A: A puddle