Lake Geneva, Montreux · Lake
The current water temperature at Lake Geneva is 25.5 °C (as of July 17, 2026, source: Eawag/Alplakes model).
Can you swim at Lake Geneva right now?
The current water temperature is 25.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Geneva?
Currently 25.5 °C (updated continuously).
How warm is at Lake Geneva in July?
In July, the water temperature recently averaged 26.0 °C.