I just finished it and honestly, it fell a bit flat for me. I went in expecting this atmospheric, immersive dive into rain as a character, but it's more of a standard literary fiction collection where it happens to rain sometimes. The prose is nice, but if you're looking for something where the weather is central to the plot and mood, like 'The Sailor Who Fell from Grace with the Sea' for the sea or something, this isn't it. The stories are fine, just not particularly rain-obsessed.
Maybe my expectations were too specific. If you love rain as a backdrop in a quiet, slightly melancholic slice-of-life way, you might enjoy it. But if you're hoping for a book that dissects the sensation of a downpour or makes the rain the true protagonist, you might feel a little let down like I did.