20 votes

Which place in the car is coolest on hot sunny days?

My car has a double floor in the trunk. To my experience this is the coolest place in the whole car and I will often store a bottle of water there before leaving for a hike which is sufficiently cool ...
  • 6,465
18 votes

Which place in the car is coolest on hot sunny days?

The inside of an insulated cooler that is inside the car (anywhere). This seems like the best solution to your situation.
  • 281
8 votes

Which place in the car is coolest on hot sunny days?

Let's deep dive into the physics of the problem. A location in the car is not enough, because the entire car will tend to equalize to the same temperature over time, and it will be quite high. Car ...

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