Thanks @sean for the correction. I've updated the comment to reflect I passed on what was attached with the image on Tumblr and well, sometimes it's not the right info.
I think being "that guy" is more about how you say it than actually being "that guy".
Which isn't to say Miyazaki doesn't do rain well. The scene in Princess Mononoke where the rain begins as a sprinkle and shortly becomes a downpour is one of my favorite in the film. I tried to find a gif or youtube clip of it, but came up empty.