Overview
- The national mean reached about 14.0°C, roughly +1.0°C versus 1991–2020, placing 2025 provisionally in third or fourth place pending late‑December data.
- Over 2016–2025, France averaged 14 heatwave days per year versus 2 in 1961–1990, while cold‑wave days fell from 6 to about 1.
- Half of days ran above seasonal norms in 2025, with only one in five below normal.
- Intense episodes included a second‑warmest June on record and August peaks of 42.5°C in Angoulême and 42.1°C in Bergerac, alongside exceptionally warm nights such as 30.4°C at Caixas.
- Snow was scarce in mid‑mountain ranges and parts of the Pyrenees, precipitation totals were near normal, sunshine was about 5% above average, and more than 30,000 hectares burned as Copernicus indicates 2025 is likely the second‑warmest year globally.