I don't expect it would, generally heat reduces LED lifespan, but not cold. If it's really cold, LEDs will struggle to turn on, but AFAIK it doesn't cause any l

I don't expect it would, generally heat reduces LED lifespan, but not cold. If it's really cold, LEDs will struggle to turn on, but AFAIK it doesn't cause any long-term damage. (You can get consumer LEDs designed to operate in very cold conditions, e.g. from FEIT.)