WIESELBURG, AUSTRIA / RankWire.AI / – Austria experienced its peak July temperature on July 31, when Wieselburg in Lower Austria hit 40.3 degrees Celsius. This measurement surpassed the previous July record of 39.7 degrees, which was set in Dellach im Drautal on July 27, 1983. The new monthly high was confirmed by GeoSphere Austria as a severe heatwave intensified its hold on eastern regions. The temperature remained below Austria’s national record of 40.5 degrees, recorded in Bad Deutsch-Altenburg in August 2013.
This July temperature record followed an intense June marked by widespread temperature peaks across Austria. GeoSphere Austria reported that 157 of its 277 weather stations recorded new maximums for June. Additionally, 66 stations registered their highest temperature for any month. Vienna reached 40.0 degrees on June 28, and Bad Deutsch-Altenburg hit 40.1 degrees the following day, establishing a new Austrian June high. Many low-altitude locations experienced between 10 and 14 consecutive days with temperatures above 30 degrees.
The University of Graz’s Wegener Center estimates that the heatwaves in June and late July caused approximately €1.4 billion in socioeconomic damages. This figure serves as an initial broad estimate rather than a definitive government assessment or insured-loss total. The calculation considers impacts on health, workforce productivity, infrastructure, agriculture, ecosystems, and cooling needs. The study assessed both events using a metric that accounts for heat intensity, duration, and geographic extent, rather than relying solely on the highest temperature recorded at a single station.
Nationwide Heat Intensity Quantified by Researchers
The Wegener Center estimated approximately 16,700 area-degree days during the June heatwave. The latest evaluation places the current event between 22,700 and 25,000 area-degree days. The benchmark for comparison was a 24-day heatwave in July and August 2013, which reached about 22,100 area-degree days. This metric measures the extent of temperatures exceeding 30 degrees across Austria and the duration of such conditions. The assessment includes land at elevations up to 1,500 meters above sea level.
Austria’s health authorities have also reported significant human impacts from the early summer heat. The Austrian Agency for Health and Food Safety estimated that 395 deaths related to heat occurred in June 2026. This was the highest June total since the agency began its monitoring efforts. Heat-related mortality is based on deaths above expected levels during periods of extreme heat, not necessarily requiring heat as the sole medical cause on each death certificate.
Prolonged Drought Deepens with Record Heat
The ongoing drought, initiated in December 2025, has been exacerbated by the recent heat. GeoSphere Austria reported a total of 426 millimeters of rainfall nationwide from January 1 to July 27, well below the climate average of 609 millimeters for that period, resulting in a deficit of about 30%. According to the agency, Austria has not experienced such low rainfall levels during the first seven months of a year since at least the early 20th century. Regions like Lower Austria, Vienna, and northern Burgenland are among the most severely affected.
Persistent high-pressure systems, intense sunshine, and scarce rainfall during late May, June, and late July have increased evaporation rates and diminished soil moisture. These conditions have strained crops, rivers, forests, and water supplies across multiple areas. GeoSphere Austria states that heatwaves are now more frequent, longer-lasting, and hotter than in previous decades. Their records show that the average maximum temperatures during such events have risen by approximately three degrees from the 1980s to the 2020s.