How Long Does Watermelon Last?
Whole watermelon and cut watermelon pieces.
The Short Answer
Watermelon lasts 3–5 days in the refrigerator when stored properly at 40°F or below. At room temperature in the pantry, expect 7–10 days under normal conditions. These times are based on USDA food safety guidelines and assume proper storage conditions.
Storage Times at a Glance
Source: USDA FoodKeeper | Last verified: March 19, 2026 | Our methodology
Whole watermelons last surprisingly long at room temperature because the thick rind is a natural barrier. Once you cut it, that protection is gone.
How to Store Watermelon
A whole, uncut watermelon can sit on the counter for 7-10 days. Once cut, wrap tightly and refrigerate.
How to Tell if Watermelon Has Gone Bad
Look for these signs that watermelon has spoiled: soft or mushy spots, slimy texture, sour or fermented smell, dark spots on the flesh.
The Professor's rule: When in doubt, throw it out. No meal is worth food poisoning.
The Bottom Line
Properly stored watermelon stays safe for 3–5 days in the fridge. Always store in airtight containers, refrigerate within 2 hours of purchase or preparation, and trust your senses. If something looks, smells, or feels off, discard it regardless of how many days it has been.
Frequently Asked Questions
A whole watermelon is fine at room temperature for 7-10 days. Once cut, always refrigerate.