How Hot Does a Car Get in the Sun?

[MichaelLee]

The temperature inside the car does not rise significantly; after 30 minutes, it increases by approximately 5–10 degrees compared to the outside temperature. Below is an introduction regarding the temperature inside a car exposed to the sun: 1. Interior Temperature: The temperature inside the car does not rise much; after 30 minutes, it increases by about 5–10 degrees compared to the outside temperature. However, under direct sunlight, the temperature inside the car rises very quickly and can reach an extremely high level in a short time, potentially exceeding the outside temperature by 20 degrees or more. Combined with the lack of ventilation inside the car, the perceived temperature by humans can feel even higher. 2. Causes of High Temperature: The primary cause of high temperatures is direct sunlight. To mitigate this, first, avoid parking in direct sunlight by choosing shaded parking spots. Second, applying UV-blocking window film can immediately reduce the interior temperature by 5 to 8 degrees. Additionally, using a car cover that reflects sunlight can help, as heat transfer through air alone will not raise the interior temperature too much.

[DeLogan]

I used to park my car outdoors in the summer frequently, leaving it under the scorching sun where the interior temperature could soar to over 60°C, sometimes even reaching 70°C! For instance, last time when it was 30°C outside, I forgot to roll up the windows, and the dashboard got so hot that I couldn't even touch it—the thermometer showed 65°C. It's all because the glass acts like a greenhouse, absorbing heat extremely fast; the stronger the sunlight, the more the temperature spikes. I've learned to use sunshades on the windshield or park in the shade, which can lower the temperature by about 10 degrees. Also, never leave children or pets in the car—it's far too dangerous. High temperatures can also damage electronic devices or leather seats inside the car, so it's wise to open the windows for ventilation or start the AC to cool it down beforehand. Remember, safety first!

[ODelilah]

As someone who frequently tinkers with cars, I've observed the interior conditions when parked under the sun. Temperatures can typically soar between 55 to 70 degrees Celsius. With direct sunlight, heat accumulates rapidly, especially on darker-colored car surfaces which absorb more heat like an oven, doubling the temperature within half an hour. I've tested at different times: after one hour of morning sun exposure, the interior reaches around 40 degrees; by midday, two hours can easily push it past 60 degrees. I recommend immediately opening windows or using ventilation fans after parking to cool down and prevent interior deformation. Such extreme heat may also cause electrical issues and affect battery lifespan, making regular inspections crucial in maintenance. Simple solutions like using reflective sunshades work effectively.

[VonPeyton]

I've been driving for decades and have experienced the temperature issues of cars baking in the sun on hot days. When it's over 30 degrees Celsius outside, the temperature inside the car can quickly rise to 60 degrees, which is shockingly high! I've verified this multiple times with a thermometer in the past. Now, I always choose shady spots to park, avoiding the discomfort of getting into a scorching hot car. Don't overlook this seemingly minor issue—high temperatures are not only uncomfortable but can also melt items or even cause fires. For safety, never leave anyone in the car.