
Sweden, known for its cool summers and temperate climate, may soon face an extraordinary heat event. Meteorologists predict that temperatures could soar to 35°C within the next six days (when we add +3°C to GFS values for urban heat islands), bringing the Nordic country dangerously close to its all-time June temperature record of 38.0°C, set back in 1947.
🔥 Unusual Heatwave Approaching
The forecast points to a significant warm-up across southern and central Sweden, including major cities such as Stockholm, Gothenburg, and Malmö. While 35°C might sound typical in southern Europe, for Sweden, such temperatures are exceptional — especially in June.
The current all-time June record of 38.0°C was recorded in Ultuna on June 26, 1947, during a remarkable heatwave that affected much of Northern Europe. Since then, Sweden has rarely seen temperatures above 30°C in June.
🌡️ What’s Causing the Surge?
The coming heatwave is fueled by:
- A strong high-pressure system settling over Scandinavia, trapping warm air.
- Warm air advection from southern Europe and the Baltics pushing northward.
- Clear skies and dry soils enhancing solar heating.
The combination creates ideal conditions for temperatures to spike in a country typically shielded by its northern latitude.
🌍 Implications of Such Heat in Sweden
While 35°C may be considered “just hot” in many parts of Europe, it poses unique challenges in Sweden:
- Infrastructure stress: Many buildings and public transport systems in Sweden are not designed for extreme heat.
- Public health risks: Populations, particularly the elderly and children, are less adapted to heat, increasing risks of heat exhaustion and dehydration.
- Environmental impacts: Heat can strain water resources, increase wildfire risks, and disrupt local ecosystems.
- Agricultural concerns: Crops and livestock unaccustomed to intense heat may suffer reduced yields or health issues.
🌡️ June Heatwaves Are Becoming More Frequent
Though the 1947 June record remains unbeaten, recent years have seen a rising frequency of hot June days in Sweden, consistent with trends across Europe. The warming climate means that extreme events once considered rare are becoming more common.
Experts warn that if 35°C is reached or exceeded in the coming days, it would be a clear indication that Sweden’s climate is shifting, with implications for urban planning, public health, and environmental management.
📅 What to Expect in the Next Week
Forecasts show temperatures rising steadily, peaking around June 22–23 with highs near 35°C in southern Sweden. Nighttime temperatures will also stay warmer than usual, limiting cooling and increasing heat stress.
Residents are advised to:
- Stay hydrated and avoid strenuous outdoor activity during peak heat hours
- Check on vulnerable neighbors and relatives
- Use cooling methods at home, such as fans or shaded areas
- Follow local health advisories and heat warnings
🌟 Looking Ahead
The coming heatwave in Sweden, if it hits 35°C, will be a strong reminder that climate change is affecting even the coolest corners of Europe. While the 1947 record of 38.0°C remains formidable, the fact that such temperatures are within reach signals a need for adaptation and preparedness.
Sweden’s relatively mild climate is changing — and the summer heat is only just beginning.
Stay cool, stay safe, and keep an eye on official weather updates as this unusual heatwave approaches.

Source: https://www.wetterzentrale.de/
