AerodynamicsQuestion 403 of 934

What is the standard sea level temperature in the standard atmosphere?

  1. 5 °C
  2. 25 °C
  3. 15 °C
  4. 35 °C
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Correct answer: 15 °C

The standard atmosphere at sea level has a surface temperature of 59 °F or 15 °C.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 4: Principles of Flight — Atmospheric Pressure, page 90

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Questions last reviewed: 18 October 2026