Around 12,500 people died in Germany from causes linked to extreme heat between the 15th and 31st calendar weeks of 2026.
A report published by the Robert Koch Institute as of August 2 said extreme heat had particularly severe effects on older people.
Most deaths occurred among older people
According to the report, 6,270 of those who died from causes linked to extreme heat by August 2 were over the age of 85. The deaths included around 1,900 people aged 65 to 74 and 3,110 people aged 75 to 84.
Deaths linked to extreme heat reached their highest level in the 26th week of the year. The RKI estimated that around 9,600 people died from extreme heat between June 22 and 29.
High death tolls were also recorded in 2018 and 2019
Over the past decade, deaths linked to extreme heat were particularly high in 2018 and 2019. Around 9,400 people died in Germany from causes associated with extreme heat in 2018, while the figure was approximately 7,700 in 2019.
Temperature record set in Brandenburg
The heat wave that affected Europe between June 22 and 29 also impacted Germany. A temperature of 41.7 degrees Celsius was recorded on June 28 in Kossen, a settlement in the municipality of Neißemünde in the Oder-Spree district of Brandenburg, setting a new temperature record.
In an earlier report published on July 9, the RKI estimated that around 5,120 people in Germany had died from causes linked to extreme heat between the 15th and 26th calendar weeks of 2026.