A cool, dark place — a storage instruction (for food, medicine, etc.) indicating a place away from direct sunlight and high temperatures.
薬は直射日光を避け、冷暗所に保管してください。
Please store the medicine away from direct sunlight in a cool, dark place.
開封後は瓶を冷暗所に置き、湿気に注意する。
After opening, put the jar in a cool, dark place and watch out for humidity.
缶詰は冷暗所で保管すれば賞味期限内に品質を保ちやすい。
Canned goods keep better within their shelf life when stored in a cool, dark place.