come rain, come shine | (come) ˌrain or ˈshine
whether there is rain or sun; whatever happens :
He goes jogging every morning, rain or shine.
COME RAIN, COME SHINE
Meaning of COME RAIN, COME SHINE in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005