Where to Store Canned Goods: Effects of Heat and Humidity

Store sealed cans in a cool, dry, dark pantry. A cabinet directly above a stove or oven, where the temperature fluctuates frequently, is not a good location. Store cans at a temperature slightly below room temperature, about 10–21°C / 50–70°F; cans kept in that range can largely retain the shelf life printed on the label.

Why does temperature matter?
Cans exposed to high temperatures for long periods may lose color and texture, and their flavor may deteriorate. Avoid places such as garages or boiler rooms that become very hot seasonally. Humidity can also be a problem: cans left on a damp floor may rust on the bottom, and extensive rust may compromise the seal. Store cans on a shelf or mat rather than directly on a concrete floor.

How should you arrange cans?
Place newly purchased cans at the back of the shelf and older ones in front so you can use older stock first. Arrange cans in a single row rather than stacking them too high to avoid crushing cans at the bottom. If a label fades or becomes unreadable, add a note so you can remember the contents and purchase date.

How can you track canned goods' shelf life?
The printed date on most cans is a best-quality date rather than an expiration date. A can may remain safe after that date, although its flavor and texture may decline over time. If a can has been stored in the pantry for several years, inspect all sides. Discard it unopened if it is bulging, deeply dented, or leaking; these signs may indicate gas buildup inside. Apply the same check when shopping: do not buy a dented or bulging can; choose an intact can of the same product instead.

Keep cans reserved for an emergency kit separate from regular pantry stock and check them periodically. A forgotten emergency supply may contain the oldest and riskiest cans. Unopened cans do not need refrigeration, but after opening, transfer leftovers to a covered container and refrigerate them rather than storing them in the original can.

When buying canned goods, taking a can from the front of the store shelf may yield a more recent production date than taking one from the back. At home, the rotation works in reverse: put new cans in back and older cans in front. If pantry space is limited, group cans by category, such as vegetables, fish, and beans, to make inventory easier to track and notice when supplies are running low. A well-organized supply stored at an appropriate temperature can reduce waste and provide a backup when needed.