Nunha entrevista, Rowling describiu a Ron como moi divertido, pero insensible e inmaturo.<ref>{{Cita novas|url=http://www.bloomberg.com/apps/news?pid=20601088&sid=aM7.gGQAM7Bw|title=Rowling Reveals `Marriage' to Harry Potter at Reading (Correct)|quote=There’s a lot of immaturity about Ron, and that’s where a lot of the humor [sic] comes from.}}</ref> Sobre o desenvolvemento do carácter de de Ron no último libro, Rowling explicou que "Ron é o máis inmaturo dos tres personaxes principais, pero no sétimo libro medra. Non era forte, a xente víao como o amigo de Harry; a súa nai quería unha nena e no último libro finalmente ten que recoñecer a súa debilidade. Pero iso é exactamente o que fai de Ron un home".<ref>{{Cita novas|url=http://www.the-leaky-cauldron.org/2007/11/19/new-interview-with-j-k-rowling-for-release-of-dutch-edition-of-deathly-hallows|accessdate=27 de agosto de 2008|title=Interview with J.K. Rowling for Release of Dutch Edition of "Deathly Hallows"|quote=Ron is the most immature of the three main characters, but in part seven he grows up. He was never strong footed, people see him mostly as Harry's friend; his mother had actually wanted a girl and in the last book he finally has to acknowledge his weaknesses. But it's exactly that which makes Ron a man.}}</ref>
