Google announced the June 2025 core update on 30th Jun. The Search Status Dashboard marked it complete on 17th Jul 2025, after 16 days and 18 hours.
It was the second of three core updates in 2025, following March and preceding December. Google described it to Search Engine Land as "a regular update designed to better surface relevant, satisfying content for searchers from all types of sites".
Third-party data suggests it was anything but routine in size.
In Search Engine Land's roundup of ranking data providers, Similarweb rated it the most volatile core update since August 2024. Volatility peaked around 11th Jul.
Semrush found over 16 percent of URLs in the post-update top 10 had not ranked in the top 20 beforehand. That was its biggest such number in four years.
Coverage also noted partial recoveries for some sites hit by the September 2023 helpful content update. The same applied to some sites hit by the March 2025 core update.
Recoveries were far from universal.
If your site moved in the 30th Jun to 17th Jul window, Google's standing guidance for core updates applies. Audit the pages that lost visibility against the self-assessment questions in the core updates help pages.
Invest in overall helpfulness. Real recovery usually registers at a future core update.
Our recovery guide covers the sequence.