Similarly,
Heat wave: temperatures swiss lakes:
Heat wave in Switzerland
Lakes temperatures are too high for the season – Heat wave: temperatures swiss lakes
From Neuchâtel to Lake Geneva. Moreover, lakes’ temperatures are very high at the start of summer. Similarly, Annual averages are exceeded in many places.

The temperatures of our lakes are very high for the season.
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It’s not just the air temperature which is disproportionate these days. That of our lakes is very high for the season, reported Watson Monday. Indeed, Lake Léman borders on 25 degrees, heat wave: temperatures swiss lakes just like the Lake Neuchâtel. In Le Bourget, there are 26 degrees and it is just under 24 degrees in Lake Constance. Some places even reach records.
In Lake Quatre Cantons, for example, the average temperature at the end of June reached 22.3 degrees, according to the measures of the Federal Water Research Institute (Eawag). However, the average was rather around 17 degrees between 1983 and 2024 at the same period of the year.
As for Lake Geneva. average temperatures are generally around 20 degrees at the end of June, as well as Lake Neuchâtel.
An “restless” expert
Questioned by Watson, Christian Stamm, deputy director of EAWAG, admitted that he was “a little worried”. “These temperatures are exceptional compared to the measures of past years. But with climate heat wave: temperatures swiss lakes change, They will become the norm.»
The expert also fears for the fauna of the different lakes. Some species could not to bear This new “normality”. Watson also recalls that in 2003, during the scorching summer, more than 50,000 shadows died in the Rhine.
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