What is the suitable tire pressure in hot weather?

2 Answers
SanEverly
07/29/25 4:46am
Tire pressure around 2.4bar is more suitable in hot weather, because the tire temperature will rise after driving, which will cause the air pressure inside the tire to continue increasing. Tires are the only components of a car that come into contact with the ground, and they are crucial for the driving stability and safety of the vehicle. Tires are circular elastic rubber products assembled on various vehicles or machinery for ground rolling. Over time, they will show signs of aging. It is recommended that car owners replace their tires every four years, even if the mileage driven within those four years is relatively low. When purchasing new tires, pay attention to the production date, as tires can also age even if they are not used for a long time.
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VanBrooklyn
08/12/25 8:27am
I think tire pressure is something you need to pay special attention to when driving in hot weather. I remember last summer when I went on a road trip, my tire burst because the pressure was too high, and it almost caused an accident. Improper tire pressure increases the risk of a blowout and accelerates wear. In hot weather, air expands quickly, causing tire pressure to rise by about 1-2 PSI compared to normal. Measuring tire pressure when the tires are cold is the key moment, and it's recommended to maintain the standard value listed on your vehicle’s door frame, usually between 30-35 PSI, but you should check your car’s manual for specifics. Don’t measure or adjust tire pressure when the tires are hot after being in the sun, as it will give inaccurate readings. I bought a portable tire pressure gauge and check it frequently, even more often in the summer. Over time, uneven wear occurs from regular driving, so safety comes first—regular maintenance can extend your tires’ lifespan.
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