気温

1. Origins, structure, and basic meaning

• Structure: 気温 is read as きおん and is a noun for air temperature in the surrounding environment.
• Basic usage: Use 気温が上がる for a change and 一週間の気温を記録する for measurements over a period.

2. Common pitfalls and similar expressions

• Air temperature
  • 気温 concerns atmospheric air, not a person’s body temperature or the temperature of water or an object.
• Time point and period
  • It can compare morning with a later value or refer to multiple observations recorded across a week.