Some 365 excess deaths were observed between July 28 and August 16, when Belgium sweltered under its third heatwave of the season, which also saw the beginning of the country’s worst wildfire in modern history, AFP reported.
That represented a “slight” uptick of seven percent more deaths than normal, the Sciensano national public health institute said.
The figure added to a grim tally racked up during the previous two bouts of high temperatures, the institute said.
Belgium logged an excess mortality rate of 49 percent between June 18 and July 3, with 2,035 extra deaths.
Another 535 more people than usual died between July 4 and 17, bringing the total number of excess deaths over the summer to 2,935, according to a statement.
Earlier this week, the national weather agency said summer 2026 was the hottest on record, making Belgium the latest European nation to smash temperature records this year.
Temperatures in the official national reference station in Uccle, outside Brussels, averaged 20.3 C — 2.4 C above the mean of recent decades — according to the Royal Meteorological Institute (RMI).
Scientists warn that climate change is making extreme weather events more intense and resulting in heat records tumbling more often.