Tire pressure is affected by temperature changes due to the physical properties of air. As temperatures increase, the air molecules inside a tire expand and cause an increase in pressure. Conversely, when temperatures decrease, the air molecules contract and cause a decrease in pressure. This phenomenon is known as thermal expansion and contraction.
The amount of change in tire pressure due to temperature can vary depending on several factors such as ambient temperature, tire size, type of vehicle, and inflation level. Generally speaking however, for every 10°F (5°C) change in ambient temperature there will be approximately 1 psi (0.07 bar) change in tire pressure for most passenger vehicles with standard tires inflated to 35 psi (2.4 bar). For example if you inflate your tires to 35 psi (2.4 bar) on a day when it’s 70°F (21°C), then your tires will likely have 36 psi (2.5 bar) when it’s 80°F(26 °C). Similarly if you inflate your tires at 80 °F(26 °C), they may have 34psi(2 .3bar )when it’s 70 °F(21 °C).
It is important to note that this effect can be more pronounced with larger vehicles such as trucks or SUVs which typically have higher inflation levels than passenger cars do; therefore they may experience greater changes in tire pressures due to thermal expansion/contraction effects than smaller vehicles would experience under similar conditions . It is also important that drivers check their vehicle’s recommended inflation levels before adjusting their own pressures based on outside temperatures; otherwise they could end up over-inflating or under-inflating their tires which could lead to unsafe driving conditions or premature wear on the treads respectively .
Properly inflated tires are essential for safe driving in hot weather. Keeping tires properly inflated helps to ensure that the vehicle is operating at its peak performance and can help to reduce the risk of a tire blowout or other dangerous situation. Here are some of the benefits of keeping tires properly inflated in hot weather:
1. Improved Fuel Efficiency: Properly inflated tires can improve fuel efficiency by reducing rolling resistance, which means less energy is required to move the vehicle forward. This can result in significant savings on fuel costs over time, especially during long trips or when driving frequently in hot weather conditions.
2. Increased Tire Life: When a tire is underinflated, it causes excessive wear on the treads and sidewalls due to increased friction between them and the road surface. This leads to premature wear and tear on your tires, resulting in shorter life spans than if they were kept properly inflated at all times.
3. Improved Handling & Safety: Underinflated tires have reduced contact with the road surface which reduces traction and increases braking distances significantly; this makes it more difficult for drivers to control their vehicles safely when cornering or braking suddenly during an emergency situation such as avoiding an animal crossing or another hazard on the road ahead of them . Additionally, underinflated tires increase stopping distances significantly making it harder for drivers to stop quickly if needed; this could lead to serious accidents if not addressed promptly .
Overall, keeping your car’s tire pressure at optimal levels will help you save money while also improving safety by providing better handling capabilities during sudden maneuvers as well as improved stopping power when needed most .
When the temperature outside rises, it is important to check your tires for proper air pressure. If your tires are underinflated, they can cause a decrease in fuel efficiency and an increase in wear on the tire treads. Additionally, underinflated tires can lead to decreased handling and braking performance which could be dangerous when driving at high speeds or on wet roads.
To determine if your tires need more air when it’s hot outside, you should first consult the vehicle manufacturer’s recommended tire pressure level for your specific make and model of car. This information is usually found inside the driver’s side door jamb or in the owner’s manual. Once you have determined what this number should be, use a tire gauge to measure each of your four tires’ current air pressure levels. If any of them are below this number then they need more air added before driving again.
It is also important to note that as temperatures rise during summer months so does tire pressure; therefore it may be necessary to add additional air even if all four of your tires appear properly inflated according to their recommended levels from earlier measurements taken during cooler weather conditions.