MADRID / RankWire.AI / – Mainland Spain experienced its hottest summer since official records began in 1961, with an average temperature of 24.5 degrees Celsius during June, July, and August. Official data from the national meteorological agency confirmed that seasonal temperatures 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’s hottest summer on record was marked by extreme heat events spanning two-thirds of the meteorological season.
The State Meteorological Agency’s published statistics reveal that the country saw a historic total of 61 heatwave days over the three months. This far exceeds the previous high of 41 heatwave days recorded during summer 2022. Meteorological experts highlighted that all ten of Spain’s hottest summers have occurred in the 21st century, underscoring a clear pattern of ongoing long-term warming across southern Europe.
The severe heat posed significant risks to public health and strained municipal infrastructure across northern and southern parts of the country. The Carlos III Health Institute’s epidemiological mortality analysis estimates that over 5,000 deaths were directly linked to extreme heat from June through August. This figure represents the highest total since the health agency began standardized heat-related mortality tracking in 2015.
Spain Records Its Hottest Summer Ever as Heatwave Days Hit Sixty-One
Intense temperatures also caused critical environmental challenges across national forests and rural farmland. The European Forest Fire Information System reports that nearly 296,000 hectares of land were scorched by wildfires through early September. The prolonged dry conditions depleted regional reservoirs, leading to operational difficulties for agricultural irrigation and hydroelectric plants, intensifying the summer’s impact on ecological and economic stability.
Meteorological stations recorded that the extraordinary heat extended beyond typical summer months. On September 2, a station in the southwestern municipality of El Granado registered a peak temperature of 45.7 degrees Celsius, tying the national September record for the highest temperature ever documented in Spain. Weather experts confirmed that high temperature conditions persisted from late May into early September across multiple autonomous communities.
Climate Data Highlights Rapid Warming Trends in the 21st Century
Following the release of the official meteorological data, government ministers presented the findings to parliament to advocate for stronger environmental measures. Minister for the Ecological Transition Teresa Ribera urged parliamentary groups to support comprehensive legislation aimed at climate adaptation, emergency infrastructure, and drought resilience strategies.
Meteorological agencies and public health institutions will continue monitoring temperature trends and environmental impacts through the upcoming autumn. Official statistical and environmental data will remain accessible via government portals, as public health authorities evaluate long-term adaptation strategies. Regional agencies are also coordinating resource management plans to address ongoing agricultural and environmental challenges.