How Long Can Corn on the cob Sit Out?
Corn on the cob can sit out 2 hours at room temperature, but only 1 hour when it is 90°F or hotter. On ice that is still frozen, the clock stops.
Time limit by temperature
| Outdoor temperature | Safe time out |
|---|---|
| 60°F | 2 h |
| 70°F | 2 h |
| 80°F | 2 h |
| 85°F | 2 h |
| 90°F | 1 h |
| 95°F | 1 h |
| 100°F | 1 h |
Leave cooked ears in their husks or wrapped in foil in a cooler; they stay hot for an hour and cool slowly.
After the party
Refrigerated within the limit, corn on the cob keeps 3–4 days in the fridge and 1–2 months in the freezer. How long corn on the cob lasts.
Rules: USDA FSIS, 2 hours out or 1 hour at 90°F+; fridge and freezer times from the FoodSafety.gov chart. All rules and sources.
FAQ
How long can corn on the cob sit out?
Corn on the cob can sit out 2 hours at room temperature, but only 1 hour when it is 90°F or hotter. On ice that is still frozen, the clock stops.
How long can corn on the cob sit out in hot weather?
1 hour when it is 90°F or hotter outside.
Can I eat corn on the cob left out overnight?
No. Throw it away: it has been in the danger zone far longer than 2 hours, and reheating does not remove every toxin.
How long does corn on the cob last in the fridge?
3–4 days if it went in within the time limit.