“Why don’t you wear snow boots?”/“Because they’ll melt.”

A snow riddle is:
 
Q: Why don’t you wear snow boots?
A: Because they’ll melt.
 
The joke has been cited in print since at least 2003.
 
         
11 November 2003, Wisconsin State Journal (Madison, WI), “In the end, it’s all about Ahna,” pg. D1:
Why shouldn’t you wear snow boots? Because they’ll melt.
 
Twitter
Morten Stenbaek
@mobitwix
Q: Why don´t you wear snow boots? A: Because they´ll melt.
7:30 AM - 19 Dec 2009
 
Twitter
Eve Taylor
@Taylor_Eve
Q: Why don’t you wear snow boots? A: Because they’ll melt.
11:45 PM - 22 Jan 2010
   
Twitter
Brandy Vanamburg
@Brandytmq
Q: Why don’t you wear snow boots? A: Because they’ll melt.
12:09 AM - 15 Jul 2011
 
Twitter
Jim Chaparas
@JimGC
knows you should never wear Snow Boots because they will melt ...
4:32 PM - 28 Mar 2012
 
Twitter
lorraine Jo King
@LahLahBean
#sillysaturday Why don’t you wear snow boots? Because they’ll melt. ⛄❄😃😊
3:25 AM - 3 Mar 2018