It would be the York game for me, (I think only four FA Cup matches beat the weather that day) although I didn't go to that Tow Law match in the early eighties. I did attend our game there a few years later when it was merely staged in a gale and pouring with rain but not freezing.
The coldest I have ever been at a game was probably at Buxton against Colwyn Bay when our game at Macclesfield was a late call off in the mid nineties. More or less for a joke, I phoned Buxton from a phonebox - "I assume the game is off," "No, it's still on." - so we set off over the Cat and Fiddle to Silverlands for a game which, even if it should have started, should not have finished. Mark Dempsey, I think before he joined us, played in this match, but was substituted suffering from mild hypothermia.