Why do you need to add air to your tires when it gets cold, but you don’t have to release air from your tires when it warms up?

Question

Why do you need to add air to your tires when it gets cold, but you don’t have to release air from your tires when it warms up?

In: Other

Answer 1

Sudden cold snaps will actually cause the rubber to contract. Air will leak out between the rim and bead when the tire deforms. This is more apparent with cheap tires. Source: I asked my best friends dad who has operated a tire store for 30+ years.