How Long Does Mayonnaise Last in the Fridge?
Complete storage guide with fridge, freezer, and room temperature times for mayonnaise.
Mayonnaise lasts 2 months (opened) in the fridge, Not recommended in the freezer, and Not safe after opening at room temperature.
Storage Duration
2 months (opened)
Keep at 40°F (4°C) or below
Not recommended
Keep at 0°F (-18°C) or below
Not safe after opening
68-72°F (20-22°C)
Safety Warning
Mayonnaise is highly perishable. Discard if left out over 2 hours.
How to Tell If Mayonnaise Has Gone Bad
Watch for these signs that mayonnaise has spoiled and should be discarded:
- Separation
- Sour smell
- Discoloration
- Off taste
Best Storage Tips for Mayonnaise
Follow these tips to maximize the shelf life of mayonnaise:
- Always refrigerate
- Use clean utensil
- Don't leave at room temp
Mayonnaise Storage Times at a Glance
| Storage Location | Temperature | Duration | Notes |
|---|---|---|---|
| Refrigerator | 40°F (4°C) | 2 months (opened) | Best for daily use |
| Freezer | 0°F (-18°C) | Not recommended | Long-term storage |
| Room Temperature | 68-72°F (20-22°C) | Not safe after opening | Temporary only |
What NOT to Do When Storing Mayonnaise
- xDon't leave mayonnaise at room temperature for more than 2 hours - bacteria multiply rapidly between 40-140°F.
- xDon't store near strong-smelling foods - mayonnaise can absorb odors easily.
- xDon't ignore the spoilage signs - when in doubt, throw it out.
Food Safety Tips
- 1.Use the "first in, first out" rule - always use older mayonnaise before newer purchases.
- 2.Keep your refrigerator at or below 40°F (4°C) - use a thermometer to verify.
- 3.Always wash hands before handling food and use clean utensils to prevent cross-contamination.
Frequently Asked Questions
How long does mayonnaise last in the fridge?
Mayonnaise lasts 2 months (opened) in the refrigerator when stored properly. Always refrigerate
Can you freeze mayonnaise?
Freezing mayonnaise is not recommended as it affects quality significantly.
How do you know if mayonnaise has gone bad?
Signs that mayonnaise has spoiled include: Separation, Sour smell, Discoloration, Off taste. When in doubt, throw it out.