SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/aero-wind-chill-objects

The air is minus 5 degrees F and the wind chill is minus 31. How cold can a car's radiator get?

No colder than minus 5 degrees F, the real air temperature.

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  1. Minus 31 degrees F
  2. Minus 5 degrees F ✔
  3. Minus 36 degrees F

Why: Wind chill is how cold wind makes people and animals feel, because wind pulls heat from skin. Objects like a radiator just cool faster; they never get colder than the real air.

Huh, didn't know that: At 0 degrees F with a 15 mph wind, the wind chill is minus 19, and bare skin can freeze in 30 minutes.

The dad joke
Why did the snowman stay inside? He did not want to catch a wind chill.
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References

Answer: Minus 5 degrees F. Wind chill is how cold wind makes people and animals feel, because wind pulls heat from skin. Objects like a radiator just cool faster; they never get colder than the real air.

  1. National Weather Service: Wind Chill Questions www.weather.gov/safety/cold-faqs
    The inanimate object will not cool below the actual air temperature.
    Checked 2026-10-10.

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