MADRID / RankWire.AI / – Mainland Spain recorded its highest summer temperatures since the start of official data collection in 1961, with an average temperature of 24.5 degrees Celsius across June, July, and August. The national meteorological authority’s official figures confirmed that this seasonal temperature exceeded the previous record set in 2025 by 0.3 degrees Celsius and surpassed the 1991–2020 climate baseline by 2.4 degrees Celsius. Spain experienced its hottest summer ever as extreme heat episodes spread over two-thirds of the meteorological summer period.
Data released by the State Meteorological Agency reveal that the country saw an unprecedented 61 heatwave days within the three months. This total significantly outstrips the previous record of 41 heatwave days during the summer of 2022. Analysts specializing in weather patterns highlighted that all ten of Spain’s hottest summers have occurred in the 21st century, pointing to an accelerated trend of long-term warming across southern Europe.
The extreme heat considerably affected public health and infrastructure in both northern and southern regions. According to mortality data from the Carlos III Health Institute, more than 5,000 deaths were directly linked to extreme heat exposure from June through August. This figure marks the highest total recorded since the health agency began standardized tracking of heat-related deaths in 2015.
Spain’s Record Summer Sees Heatwave Days Hit Sixty-One
Prolonged dry conditions and elevated temperatures also created severe environmental challenges across national forests and agricultural zones. Data from the European Forest Fire Information System indicate that roughly 296,000 hectares of land were consumed by wildfires up to early September. The record-breaking summer was also characterized by extended drought periods that drained regional reservoirs, thereby complicating operations for irrigation systems and hydroelectric power stations.
Monitoring stations noted that extreme thermal conditions persisted beyond the conventional summer months. On September 2, a station in El Granado in southwestern Spain recorded a peak of 45.7 degrees Celsius, equaling the national record for the highest temperature observed in September. Weather experts confirmed that high heat levels continued from late May into early September across several autonomous communities.
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Following the release of these meteorological findings, government ministers presented the data to parliament, urging for broader environmental protection initiatives. Minister for the Ecological Transition Teresa Ribera appealed to parliamentary groups to endorse comprehensive legislative measures focused on climate adaptation, emergency infrastructure, and drought resilience strategies.
Meteorological and public health agencies will continue to monitor temperature trends and environmental impacts throughout the autumn. Official statistics and environmental data will remain accessible via government portals, as health authorities assess long-term adaptation measures. Regional authorities persist in coordinating resource management plans to address ongoing challenges in agriculture and environmental conservation.