The Steam Summer Sale typically lasts about two weeks. For 2026 , it runs from June 25 to July 9 , which is a 14-day window.

Quick Scoop

  • Start: June 25, 2026
  • End: July 9, 2026
  • Duration: 14 days

If you meant a different year’s sale, the length is usually still around two weeks, even when exact dates change.