a fair weather Christian is a person who only believes in god and Christianity when a miracle occurs and only repents when a rapture prediction is at hand.
on may 21st 2011 joe the " fair weather Christian " repented all of his sins.. yet on may 22nd he was out kicking puppies and coveting his neighbor's wife !
by TheVoiceActor May 22, 2011
People that observe the Christian religion, but only attend church on Christmas and Easter.
Stan arriving at church late: Great no spaces! Thanks to the fair-weather Christians that only show up on Christmas and Easter.
by baudday January 26, 2010