Key Points The Hauts-de-France region experienced an initial heat wave that lasted for much of June 2023, though heat wave alert thresholds were not exceeded. A second episode occurred...

Key Points The Centre-Val de Loire region experienced two heat waves, the first occurring during the second half of August and the second during the first half of September 2023. During...

Key Points The Bourgogne-Franche-Comté region experienced two heat waves, the first occurring during the first half of July and the second during the second half of August 2023. During...

Key points According to Météo-France, the summer of 2023 was the fourth hottest summer recorded in France since the beginning of the 20th century. The 2023 summer monitoring period was...

Key Points The Provence-Alpes-Côte d’Azur region was affected by the first three heat waves, observed in July and August 2023. Exceedances of biometeorological alert thresholds were...

Key Points The Pays de la Loire region experienced two heat waves: the first occurred during the second half of August and the second during the first half of September 2023....

Key Points The Nouvelle-Aquitaine region experienced two heat waves, the first in mid-August and the second in early September 2023. During these heat waves, biometeorological alert...

Key Points In the Île-de-France region, the summer of 2023 was marked by unstable weather, with no heat waves in June, July, or August. The eight departments of the Île-de-France region...

Key Points The Grand Est region experienced two heat waves, the first occurring in the first half of July and the second in the second half of August 2023. During these heat waves,...

Key Points Brittany experienced a heat wave during the first half of September 2023. During this period, biometeorological alert thresholds were exceeded in Ille-et-Vilaine. An impact...