やらずの雨あめ

expression, noun

rain that seems to keep a guest from leaving; well-timed shower

A poetic expression for rain that begins just as a guest is about to depart, as if to prevent them from going. Often used in a warm or slightly humorous context.

• 帰かえろうとしたら、やらずの雨あめが降ふり出だした。

  Just as I was about to leave, a well-timed shower started to fall.

• やらずの雨あめのおかげで、もう少すこし話はなしができた。

  Thanks to the rain that kept us from parting, we could talk a little longer.