A record-breaking area of southern Europe experienced high levels of heat stress in the summer of 2023

Area of southern Europe affected by 'strong' or 'extreme' heat stress

2023

2022

23 July 2023

41% of southern Europe, experiencing ‘strong’, ‘very strong’ or ‘extreme’ heat stress

40%

30

Min - max range

(1950-2021)

20

10

0

Jun

Jul

Aug

Sep

Oct

Nov

2023

2022

23 July 2023

41% of southern Europe, experiencing ‘strong’, ‘very strong’ or ‘extreme’ heat stress

40%

30

Min - max range

(1950-2021)

20

10

0

Jun

Jul

Aug

Sep

Oct

Nov

Guardian graphic. Source: Copernicus C3S/ECMWF. ERA5-HEAT daily maximum *Universal Thermal Climate Index