Switzerland logged its hottest summer in 2026, with record heat, hot days and tropical nights nationwide.
Switzerland has experienced its hottest summer since records began
Keystone-SDA
The summer of 2026 was the hottest in Switzerland since records began. The average temperature for the period from June to August was 17.2°C, 0.4 degrees higher than that of summer of 2003, MétéoSuisse announced on Thursday.
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