This is somewhat sad but also cheerful. The rain reminds you of your love, though, you are alone, you are not. So it is sad but hopeful in a way. It's always a good feeling to be able to remember. It can be comforting.

Days like this only comes once in awhile-

^ I think there's a typo, "days like this only "come" once in awhile. instead of "comes."

Keep writing.