Austria is sweltering under an intense heat wave that shows no signs of letting up. With temperatures expected to reach 35–37°C this weekend across much of the country, the Austrian Meteorological Service has issued urgent health warnings for residents and visitors alike.
Historic Heat Across the Alps
According to ORF weather experts, this could become the longest June heat wave in Austria’s recorded meteorological history. The eastern lowlands are expected to bear the brunt of the extreme heat, while even mountain areas at 2,000 meters above sea level could see temperatures climb to 19–20°C around midday. Overnight temperatures in Vienna and other major cities are forecast to stay above 20°C, creating so-called “tropical nights” that offer little relief.
ORF meteorologist Manuel Oberhuber noted on social media that parts of Austria could experience their longest June heat wave on record. The current heat event is already the second major heat wave to hit Austria this year.
Health Risks and Safety Tips
Environmental physician Hans-Peter Hutter from the Medical University of Vienna urged caution during an appearance on “Guten Morgen Austria.” He advised people to avoid overexertion, stay hydrated, and — in his words — skip the alcohol. “Take it a little easier and remember to drink more,” Hutter recommended.
The Austrian Health Insurance Fund reported approximately 1,100 heat-related deaths during the summer of 2024, making heat one of the largest climate-related health risks in the country. The combination of high temperatures and humidity puts significant stress on the cardiovascular system, increasing the risk of dehydration, heat exhaustion, and heat stroke.
Key safety recommendations include:
- Drink plenty of water throughout the day
- Avoid direct sunlight during peak hours (11 AM – 3 PM)
- Shift physical activities to early morning or evening
- Opt for light, easily digestible meals
- Take warning signs like dizziness and headaches seriously
New Heat Protection Rules for Outdoor Workers
Since January 2026, Austria has implemented a new heat protection regulation requiring employers to assess risks from heat and UV exposure for outdoor workers. The Social Ministry conducted over 700 inspections in the first half of the year, identifying 491 violations and providing 1,300 advisory sessions.
Cooling Off at Austria’s Lakes and Rivers
The extreme heat is expected to drive large crowds to Austria’s lakes, rivers, and public swimming pools. The Austrian Samaritan Association issued safety reminders, noting that an average of 42 people die in bathing accidents annually. Rescue swimmer Amina Höfinger warned against “spontaneous jumps” into the water and emphasized that inflatable toys and rings are no substitute for adult supervision of children.
Climate Change Making Heat Waves Worse
Data from GeoSphere Austria shows that the number of heat days (over 30°C) has increased significantly in Austrian cities, with Eisenstadt recording the steepest rise. Heat days are also occurring earlier in the year, a trend attributed to human-caused climate change.
As Austria endures this historic heat wave, staying cool and safe is more important than ever. Whether you’re hitting the lakes, working outdoors, or just trying to beat the heat in the city, preparation and awareness can make all the difference.
Source: ORF.at, GeoSphere Austria, ÖGK