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Does tire pressure decrease as temperature drops?

1 Answers
ODerek
07/29/25 9:08pm
As temperatures drop, tire pressure also decreases. Due to lower winter temperatures, the principle of thermal expansion and contraction causes tire pressure to reduce accordingly. If tire pressure is not appropriately increased during this time, it can not only increase the vehicle's fuel consumption but also accelerate tire wear. In winter, the rubber in tires hardens, making them relatively more brittle and reducing the friction coefficient. This requires that tire pressure should not be too high, but more importantly, not too low. In cold external temperatures, excessively low tire pressure can severely accelerate the aging of softer tires and increase contact with the ground, leading to faster friction and reduced tire lifespan. Therefore, tire maintenance is also very important. Consider switching to better winter tires. Due to the cold weather, tire rubber becomes harder compared to summer. Even though many vehicles are equipped with all-season tires, icy and slippery road conditions can challenge tire grip. For driving safety, it is essential to switch to winter tires. Pay attention to your vehicle's tire pressure to ensure that the front and rear tire surfaces on each side fully contact the ground, achieving optimal grip. At the same time, appropriate tire pressure can reduce road vibrations and enhance driving comfort.
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