Overview

• Meteocat reports the hottest summer in 121 years at the Observatori de l’Ebre and the second-warmest across Catalonia after 2022.
• A record 16 days exceeded 40°C this season, with seven in June, two in early July, and seven during the August heat wave.
• Historic stations logged prolonged extremes, including 28 consecutive days of very high daytime maxima at the Ebre observatory and 20 at Barcelona’s Fabra.
• Spain recorded 2,177 heat-attributable deaths in August, including 361 in Catalonia, sharply higher than August 2024, according to MoMo (ISCIII).
• Meteocat notes a surge in tropical and torrid nights and a June–July sea temperature record of 26.8°C at l’Estartit, while Catalonia’s internal reservoirs reached 71.3% capacity on August 31.