noun
high humidity
Technical and everyday term for a state of high atmospheric moisture. Often used in weather forecasts, product specifications, and health contexts.
今日は高湿度で蒸し暑い。
It's muggy today because of the high humidity.
この植物は高湿度を好む。
This plant prefers high humidity.
多湿 is a more formal or technical term for 'high humidity' or 'dampness', often used in weather reports or product descriptions.
Compound of 高 (こう, 'high') and 湿度 (しつど, 'humidity').