When Are the Major Steam Sales?

Valve runs four sitewide seasonal sales a year plus a rotating cast of smaller themed events. The seasonal calendar has been broadly stable for several years, though exact dates shift by a week or two and are announced a few weeks ahead. Approximate windows:

• Spring Sale: mid-March, roughly two weeks.
• Summer Sale: the last week of June into early July, the biggest event of the year.
• Autumn Sale: late November, overlapping Black Friday and Cyber Monday.
• Winter Sale: from the third week of December into early January.

Between these, Valve runs themed fests (strategy, RPG, survival, cozy games and so on), typically a week long. A fest does not guarantee a discount, but it prompts publishers to run promotions on relevant titles. Steam Next Fest is a demo showcase, not a discount event, and Steam Scream Fest in October has become a fifth seasonal sale for horror.

Which months actually carry the discounts

Counting every recorded sale start in the ATLGames history by the month it began: June holds 14.2% of all starts, December 13.2%, March 11.0% and November 10.9%, so the four seasonal months hold about half of the year's discounts between them. July (5.0%) and August (5.4%) are the quietest months on the calendar, and October (9.5%) is busier than any other non-seasonal month. The full table and a month-by-month waiting guide are in Steam's Sale Calendar by the Numbers.

Which sale is "best"?

For most games, Summer and Winter produce the deepest annual discounts, because publishers know more people are looking at the store. That is a generalisation, not a rule. Some titles reach their all-time low during a quieter event, often a publisher's own week. The only way to know is the title's actual price history, which is why every game page on this site shows its chart, its recent sales and its typical cadence.

Should you wait for the next sale?

If a game already shows a New ATL or Tied ATL badge: no. By definition no sale has beaten this price, and the most common outcome of the next sale is the same price again. If the badge is Near ATL at, say, 15% above the floor, the math is simple: you might save a few dollars by waiting four to eight weeks, or you can play the game now. For most people that is not a hard call.