Google December 2025 core update rollout is now complete

The third and likely final core update of 2025, the December 2025 core update, is now rolling out and complete.  It started on December 11, 2025 and was completed about 18 days and 2 hours later on December 29, 2025. Google called this update “a regular update designed to better surface relevant, satisfying content for searchers from all types of sites.”

This December 2025 core update came after waiting five months since the previous core update, the June 2025 core update. That June update came a few months after Google’s first core update on the 2025 year, the March 2025 core update.

In the coming days we will gather data on the impact of this update and share some of that data with you on Search Engine Land.

What Google is saying. Google updated its Search Status Dashboard to state:

• “Released the December 2025 core update. The rollout may take up to 3 weeks to complete.”

Google added on LinkedIn:

• “This is a regular update…