The European climate service Copernicus reported that July 2025 was the third-warmest July globally, with an average ERA5 surface air temperature of 16.68°C, 0.45°C above the 1991-2020 average for July. July 2025 was 0.27°C cooler than the record of July 2023, and 0.23°C cooler than July 2024, which was the second warmest.

The global average temperature in July 2025 was 1.25°C above the estimated 1850-1900 average used to define the pre-industrial level.