June one of the hottest on records

Switzerland has just lived through its third-hottest June since records began in 1864.

The federal weather service says the national average was 3.5 degrees above the 1991-to-2020 reference period, with some regions receiving less than 40% of their usual June rainfall. 

Sunshine hours were well above the long-term average. The late-June heatwave was extreme in both duration and intensity, breaking numerous historical records, and it is still ongoing south of the Alps. 

MétéoSuisse says climate change had a clear influence on the event, but a heatwave of this scale remains rare even in today's warmer climate.
 

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