How long do Melons last in the fridge once opened?
Turning the range into a date
Melons keep until ripe on the counter, then 2–4 days in the fridge once opened. Two clocks run on this item: one from the day it went into storage and one from the day the seal broke. Both are listed below, 3 rows in all.
- In the freezerUse by1 month after the day you stored it
- From purchase · in the fridgeUse by2 weeks after the day you bought it
- Once opened · in the fridgeUse by2 days to 4 days after the day you opened it
Freezing changes the unit, not just the number
Freezing does not just add time to this item, it changes the unit the answer is written in: 2 weeks in the refrigerator against 1 month in the freezer, 2.1 times longer, months in place of weeks. On the same shelf it sits 30 of 89, between Blueberries at 2 weeks and Artichokes, whole at 2 weeks. Melon in the source list is this same food.
Every storage figure the USDA publishes for this item
The USDA gives this item no pantry time in days: the 3 figures that carry numbers are all cold ones, and the pantry slot is answered in words instead. Within Produce it is filed under Fresh Fruits.
- In the freezer1 month
- In the pantryUntil ripe, then about 7 days
- From purchase · in the fridge2 weeks
- Once opened · in the fridge2 days to 4 days
Where the USDA answers in words instead of days
1 of the nine slots the USDA keeps for this item holds an answer that is not a number, and an answer in words is still an answer: in the pantry it answers Until ripe, so the clock is the fruit's own ripening rather than a count of days.
What the USDA adds in words
The USDA attaches 2 handling notes to this item, reproduced below word for word. None of them is a storage time: they qualify the figures above rather than replacing them. These are the source's own sentences, not ours, and they are the part of the FoodKeeper record that a table of durations cannot carry.
In the freezer. Freezing guidance applies to balled melon.
In the pantry. Until Ripe, then 7 days. Ripe is when this item is tender, fully developed and ready to eat.
Can you freeze melons?
Yes. The USDA gives melons 1 month in the freezer, and held at 0 °F food stays safe beyond that: the figure is about quality. Most produce goes soft when thawed, so frozen it suits cooking, smoothies and sauces rather than eating raw.
How to tell if melons have gone bad
Go by the date first: melons keep until ripe, then 2–4 days in the fridge once opened. Mold, slime, a sour smell or soft dark spots mean it goes out; firm produce can be saved by cutting 1 inch around a small moldy spot, soft produce cannot.
Sources: USDA FSIS: the danger zone USDA FSIS: freezing and food safety USDA FSIS: molds on food FDA: are you storing food safely FoodSafety.gov: the FoodKeeper app.
Is it still safe to eat, or just past its best?
The answer at the top of this page reads 2 days to 4 days in the fridge once opened. What decides that is the food and not the shelf the source files it on: Melons is cut and ready to eat. Past it, it is not safe to eat: throw it out without tasting, because bacteria build up while food still looks and smells fine.
The figures in the freezer and in the fridge here are a quality window. The same page carries windows of more than one kind, so which sentence applies depends on which row you are reading, not on the food.
It is past the date. Now what?
Say the calculator above puts Melons past its 2 days to 4 days in the fridge once opened window, or the container sat out on the counter overnight. Throw the container out without tasting it, and count any hours it already spent out of the refrigerator as part of that window rather than on top of it.
The USDA's limit for perishable food standing at room temperature is 2 hours, or 1 hour when the kitchen is above 90 °F, and that clock runs whatever the storage figure says. Freezing stops the clock but does not turn it back: food already past its window is not rescued by putting it in the freezer. The whole rule, including the cases the source does not cover, is set out under what to do when the date has passed.
The two sides of that multiplier are not the same dish
The 2.1× multiplier on this page is drawn across a change of preparation: the source's note on the freezer figure reads "Freezing guidance applies to balled melon". It divides 1 month frozen by 2 weeks in the fridge from purchase, and those two are not the same dish. A multiplier whose sides are different preparations is worth printing only with the source's own scope note beside it.
Items that behave the same way
All 6 of the 6 items nearest this item keep exactly as long as it does, 2 weeks, so the ranking around it is a tie rather than an order.
Where these numbers come from
Every storage time on this page is the USDA’s own published figure from the FoodKeeper data, one of the 9 it keeps per food, reproduced unchanged and never an estimate of ours. Where the USDA lists several kinds under one name, each kind keeps its own windows, and the page names the kind its answer is for. The dates and multipliers are ours, computed from those ranges.
Source: USDA FoodKeeper, retrieved 1 September 2026. Found a figure that does not match the source? Tell us on the contact page. How the site is built is on the method page.
USDA index terms: melon
KeepsUntil is an independent reference built on public USDA data. It is not affiliated with, endorsed by, or connected to the U.S. Department of Agriculture or the Food and Drug Administration. Whether a given window is a safety limit or a quality window is stated on the page that prints it.