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How Hot a Car Gets In the Summer?

Rahmi Doğucan Ertane
September 21, 2022

Regardless of the fact that modern automobiles are designed to resist drastic temperature changes, extended exposure to cold or hot weather can always lead to issues. It's crucial to keep up with your car's maintenance and upkeep throughout the height of summer when it has to operate for weeks at a time in hot, dry conditions. This can influence performance and safety. But what precisely does the temperature inside car do to your vehicle, and how can you guard against harm and performance issues? In this piece, we examine how the heat raises on the inside on automobiles and what effects it could potentially have.

How Hot Can a Car Get in Summer?

Knowing the temperature inside car is crucial if you're going grocery shopping, carpooling, or taking your pet. Yes, turning on the air conditioning while driving is helpful, but not when you must dash inside a store and leave your dog or a tub of ice cream behind.

So, how hot can a car get inside? Can you leave your pet inside without fear? Will all of your chilled foods rot, melt, or something else? Why is the inside of the car so hot?

The precise response varies based on the ambient temperature, whether the car is parked in the sun or shade, the color of the paintwork and fabric, and other factors. Around 70-130 Degrees Fahrenheit (20-50 Degrees Celcius), which are around normal temperature levels for your vehicle to function. Although it may seem like a high temperature inside car, the internal combustion chamber of the engines already withstands higher temperatures than that.

We are talking about how hot can a car get in the sun here, but if you’re looking for ways cool it down a bit, here is a list that we made out of all the helpful information about cooling your vehicle down.

Why is the Inside of the Car so Hot?

Most likely, the warmest location you will ever be is inside a car sitting in the midday sun (excluding some saunas and Roman / Turkish baths). Because of all those windows, your vehicle becomes significantly hotter than your home. Compared to the typical building formation, which only has a few windows facing the sun at once, cars have a far more percentage of glass, resulting in higher temperature inside car.

  • Cars are like greenhouses since they are built to hold and absorb heat. All of the windows are simultaneously filled with sunlight, which warms the dashboard and the seats and causes them to seep heat. Cool air from outside cannot move inside when the windows are rolled up to dissipate the heat.
  • No difference in how much hot or cold there is outside. These average temperature rises are nearly the same if the car is standing wide open under the sun. After 90 minutes, the temperature in the vehicle might climb up to 120 degrees, even on a light 70-degree day. A sunny, 110-degree day this summer might heat the inside of your automobile to around 160 degrees. Think about how much quicker a child's body warms up than an adult's.
  • Additionally, your youngster or puppy is restrained by a seat belt, which makes them feel hotter overall. Heat stroke can start with a body temperature of 104 degrees and usually ends with a demise at 107 degrees. Although you should never leave pets or children unattended inside a locked car, please realize that it may return catastrophic results under the sun.

Is There an Optimal Degree for a Car?

Manufacturers generally place the safe operating temperature inside car at around 190 to 208 degrees Fahrenheit. But that's for your engine, not for you. The very hot temperature inside car can cause the water in the car to overheat faster, can damage car tires and of course be dangerous to driver and passengers. As a rule, try not to drive in these conditions.

Check your fluids: Take the initiative to regularly check the temperature inside car, levels of coolant/antifreeze, motor oil, transmission fluid, brake fluid, and power-steering fluid in your car. The summer is an excellent time to schedule an inspection for your car. To ensure everything is in order, have a professional inspect your car's battery, belts, hoses, and air conditioning system. You can access the full to-do’s checklist right here!

Some parts are susceptible to cracking and scorching from heat, and an old battery may suffer significantly in the summer heat. Invest in a windshield sun shade to prevent your car's interior from being uncomfortable and keep it cool when parked. Speaking about cool, Pedal Commander won’t cool down your car, but it will definitely make it cooler!

How Hot a Car Gets In the Summer?