How long does sake last? Opened vs unopened

Most sake isn't made to age. Unlike many wines, it's at its best when it's fresh, with its aromas bright and its flavors clean. Here's how long sake lasts, how to store it, and how to tell when a bottle is past its prime.

Unopened sake

Most sake is pasteurized and bottled after a few months of resting at the brewery, and it's ready to drink as soon as it reaches you. As a general rule:

• Pasteurized sake is best within about a year of the bottling date. Many brewers suggest enjoying it within six to twelve months for the freshest flavor.
• Delicate, aromatic styles like Junmai Ginjo and Daiginjo are especially worth drinking young, while their fruity and floral notes are at their brightest.
• Fuller styles like Junmai and Honjozo tend to hold their character a little longer.

Sake doesn't suddenly turn bad after a year. It slowly changes: aromas fade, the color can deepen, and the flavor gets flatter. So the date is about quality, not a hard cutoff.

Japanese labels often show a production or bottling date rather than a "best by" date. If you can find it, it's a good guide to how fresh the sake is.

Opened sake

Once you open a bottle, air starts to change the sake. Keep it cold and enjoy it soon:

• Recap it tightly after pouring.
• Keep it in the fridge, even if you like to drink it warm.
• Enjoy it within about a week or two. Many sakes still taste good after that, but aromatic styles lose their sparkle first.

You might notice an opened sake changing day by day. Some fuller sakes even soften in a nice way over the first few days. Taste it and decide.

Nama sake is different

Nama sake is unpasteurized. It tastes fresh and lively, but it's more sensitive. Keep nama sake in the fridge at all times, unopened and opened, and drink it sooner: ideally within a few months of bottling, and within a few days once opened. If a label says nama, namazake, or "unpasteurized," treat it like fresh juice and keep it cold.

Cans and bottles

Sake's two biggest enemies are light and heat, with air close behind once it's open.

Cans block light completely and seal tight. A 180 mL can is a single pour, so there's nothing left over to store once you open it. That's one reason we put WESAKE in a can: every can tastes as fresh as the first.

Bottles are often dark brown or green to filter light, and many brewers wrap them in paper or ship them in boxes for the same reason. Clear or frosted bottles look beautiful, so keep them in the box or a dark cupboard until you're ready to chill them.

How to store sake

1. Keep it cool. A fridge is ideal, especially for Ginjo styles and anything nama. A cool cupboard works for pasteurized sake you'll drink in the next few months.
2. Keep it dark. Light can change sake's flavor surprisingly fast. Avoid windowsills and bright shelves.
3. Store bottles upright. This keeps the sake away from the cap and limits the surface touching the air.
4. Avoid temperature swings. Moving sake between a warm room and the fridge over and over can dull it.
5. Chill before serving. If it's a style you drink cold, give it a few hours in the fridge. Our hot or cold guide has serving temperatures.

How to tell if sake is past its best

Trust your senses. Sake that's been stored too long, too warm, or in bright light may show:

• A yellow or amber tint in a sake that should be clear
• Sherry-like, nutty, or burnt sugar aromas that weren't there before
• Sour or vinegary notes
• A flat, dull flavor with the fruit and freshness gone

If a sake smells or tastes off to you, pour it out and open a fresh one.

The exception: aged sake

A small group of sakes are aged on purpose. Koshu, or aged sake, is matured for years until it turns amber, with rich notes of caramel, dried fruit, and soy. These are made for aging, and the brewer will tell you so on the label. For everything else, fresh is best.

How to store WESAKE

The can: keep cans somewhere cool and dark, then chill before drinking. Once open, enjoy the whole can that day. It's one generous pour.

The Sakura bottle: keep it in its box or a dark, cool place, then chill before serving. After opening, recap it, keep it cold, and enjoy it fresh.

Find out more about the sake itself in what is Junmai Ginjo and how sake is made, or meet our sake.