noun
Refers to the amount of moisture in the air, commonly expressed as a percentage and used in weather, room conditions, and comfort levels.
湿度が高いと、同じ気温でも暑く感じる。
When the humidity is high, it feels hot even at the same temperature.
この部屋は湿度
This room is kept at 50 percent humidity.
冬は湿度が低くなりやすい。
Humidity tends to drop in winter.