Meaning of the word "rain or shine" in English

What does "rain or shine" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

rain or shine

US /reɪn ɔːr ʃaɪn/
UK /reɪn ɔː ʃaɪn/
"rain or shine" picture

Idiom

whether it rains or not; whatever the circumstances

Example:
The football match will take place rain or shine.
I'll be there for you, rain or shine.