Weather theoryQuestion 304 of 934

What is the average temperature decrease for each 1,000 feet of altitude gain in the troposphere?

  1. About 0.5 °C
  2. About 6 °C
  3. About 10 °C
  4. About 2 °C
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Correct answer: About 2 °C

The average lapse rate in the troposphere is about 2 °C per 1,000 feet.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 12: Weather Theory — Composition of the Atmosphere, page 286

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Questions last reviewed: 18 October 2026