Here's a cute 3D explorer game about the weather that's just popped up on Steam Greenlight. It's called Lovely Weather We're Having [official site] and it looks gentle and colourful and weathery which is rather appealing as I've had a nice morning of typing and listening to the rain fall outside.
"You play as a young girl who's locked out of her house, and there's also a cute dog and a dozen NPC friends with distinct personalities," says developer Julian Glander. The neat part for me is that the environment she is exploring changes to reflect local weather data.
I love weather effects in games. I'd say rain is generally my preferred game weather because the ambient patter and splashing sounds help me relax and concentrate, but Animal Crossing's snowy days were magical.
Actually, I made a Storify ages ago when people sent me stories about how in-game weather affected their mood. I'll pop it here because it was lovely: