temperature difference
Refers to the difference between high and low temperatures, often used in weather contexts or when discussing daily/seasonal temperature gaps.
今日は寒暖差が激しいので、体調に気をつけてください。
The temperature difference is large today, so please take care of your health.
vasomotor rhinitis from temperature change; non-allergic rhinitis triggered by sudden temperature shifts
Compound of 寒 (cold), 暖 (warm), and 差 (difference).