WIESELBURG, AUSTRIA / RankWire.AI / – Austria documented its highest July temperature on July 31, when Wieselburg hit 40.3 degrees Celsius, surpassing the previous July record of 39.7 degrees set in Dellach im Drautal in 1983, as confirmed by GeoSphere Austria. This new monthly high was recorded amid a heatwave centered in eastern regions of the country. The nation’s all-time temperature record remains 40.5 degrees, measured at Bad Deutsch-Altenburg in August 2013.
Following a June characterized by widespread and persistent extreme heat, the July milestone was preceded by notable temperature records across Austria. According to GeoSphere Austria, 157 of its 277 weather stations reported new maximum temperatures for June, with 66 stations registering their highest temperature ever recorded in any month. Vienna experienced 40.0 degrees on June 28, and Bad Deutsch-Altenburg recorded 40.1 degrees the next day. Multiple low-lying areas endured temperature spikes above 30 degrees for 10 to 14 consecutive days.
The Wegener Center at the University of Graz estimated that the combined socioeconomic damages from the June and late July heatwaves amounted to roughly €1.4 billion. This preliminary estimate encompasses health impacts, productivity declines, agricultural damage, infrastructure stress, and increased cooling demands. It also considers effects on ecosystems and public services, but does not constitute an official government assessment or an insured-loss total, as insurance data only covers damage insured under active policies.
Heatwave severity exceeds previous Austrian events
The Wegener Center utilized the area-degree days metric, which accounts for heat intensity, duration, and geographical extent, to evaluate the severity of the heatwaves. They estimated approximately 16,700 area-degree days for June’s heat period. Their analysis placed the late July event between 22,700 and 25,000 area-degree days. The most recent comparable event was a 24-day heatwave in July and August 2013, which registered around 22,100 area-degree days across elevations below 1,500 meters.
The extreme temperature events coincided with a significant rise in heat-related fatalities, with Austrian Agency for Health and Food Safety estimating 395 deaths in June 2026, marking the highest June total since the agency started tracking this metric. Heat-related mortality refers to deaths occurring above expected levels during periods of intense heat; however, it does not necessarily mean heat was the sole cause listed on death certificates.
Ongoing drought conditions worsen due to lack of rainfall
Austria faced the intense heatwave after experiencing several months of unusually dry conditions. From January 1 through July 27, the country received approximately 426 millimeters of rainfall, which falls short of the long-term average of 609 millimeters for that period by nearly 30%. Authorities describe the first seven months of 2026 as the driest comparable period since at least the early 1900s, with regions such as Lower Austria, Vienna, and northern Burgenland recording some of the highest rainfall deficits.
The persistent high-pressure systems, coupled with intense sunshine and minimal precipitation, intensified evaporation during late spring and summer, reducing soil moisture and increasing stress on crops, rivers, forests, and water supplies. Climate records indicate that Austria’s heatwaves have become more frequent, prolonged, and severe over recent decades, with average maximum temperatures during heat events rising by approximately three degrees since the 1980s. The new July temperature record provides a further indicator of Austria’s increasing extreme heat trend.