Fans stop cooling at 35 degrees wet bulb. For comparison the most extreme wet bulb temp that hit London in summer 2026 was 26 degrees according to met office. (

Fans stop cooling at 35 degrees wet bulb. For comparison the most extreme wet bulb temp that hit London in summer 2026 was 26 degrees according to met office. (I can't find other peak 2026 wet bulb temps in europe, feel free to contribute)