Every month since June 2023 – 13 months in a row – has ranked as the planet’s hottest since records began, compared with the corresponding month in previous years, the EU’s Copernicus Climate Change Service (C3S) said in a monthly bulletin.

From the second line of the article. Here's the monthly bulletin they're talking about.

Keep in mind that this is the global average temperature, there could be some places (like Northern Spain) that experienced lower temperatures.