I'd always prefer warm but here in Ohio, that ain't usually gonna happen. Right now, we are right at that freezing mark where the trails aren't frozen enough to ride (but its damn chilly for road rides longer than an hour). I'm dying to ride more dirt but alas, the trainer is laughing at me knowing we will soon again be conjoined. Damn you foul machine, damn you! OK, time to ride or drink....maybe both if I'm on the trainer again!