Does Margarine Need to Be Refrigerated?

Butter and margarine are safe at room temperature. ... Margarine, especially soft tub margarines, can separate into oil or water and solids when not kept refrigerated although it will be safe.

How Long Can margarine be left out of the refrigerator?

Leaving a stick or “quarter” of hard margarine at room temperature for a day should be fine, but manufacturers recommend refrigerating soft tub margarine promptly after use. Stick margarine's high amount of saturated fats and trans fats protect its texture and flavor.

How long is margarine good at room temperature?

But if it's left out for several days at room temperature, it can turn rancid causing off flavors. The USDA does not recommend leaving it out more than one to two days.