How long do onions last at room temperature?

Onions keep for about a month at room temperature. Keep in a dry, ventilated spot at room temperature, apart from potatoes.

How Long Do Onions Last? Storage Time and Tips

About a month at room temperature.

Onions keep for about a month at room temperature.

Typical shelf life	about a month (30 days)
Where to keep them	Room temperature, cool and dark
Category	Roots & Tubers

Keep in a dry, ventilated spot at room temperature, apart from potatoes

The tears when you cut it are sulfur compounds at work—chewing gum can keep you from crying so much

Golden, juicy chicken legs roasted with garlic and herbs — minimal prep, maximum flavor.

50 min · easy · serves 4

Velvety tomato soup with a touch of cream — cozy, comforting, and ready in 25 minutes.

25 min · easy · serves 2

Caramelized sweet potato wedges with a crispy exterior and fluffy center — a naturally sweet crowd-pleaser.

35 min · easy · serves 3

Seasoned ground beef in warm tortillas with tomato and lettuce — a fiesta-ready meal in 15 minutes.

15 min · easy · serves 2

Savory sausage slices with sweet bell peppers and onions — a one-pan dinner packed with flavor.

20 min · easy · serves 2

Eggs poached in a spiced tomato sauce — a North African-inspired one-pan brunch that's hard to resist.

25 min · easy · serves 2

YouCai remembers everything in your fridge, warns you before it spoils, and suggests what to cook with what you already have.