Steam Summer Sale Date 2025 Dates. 24 june 2025 — 11 july 2025. As announced by valve itself, the 2025 steam summer sale will run from june 27 to july 11, both starting and ending at 12pm ct on those dates.

Summer is here and we’re meeeelting! While the vacations are still a long way off, valve has already announced the steam summer sale 2025 date.