Lake Geneva water temperature
Lake Geneva, Genève, Bains des Pâquis · Lake
The current water temperature at Lake Geneva is 17.0 °C (as of October 16, 2026, source: Eawag/Alplakes model).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
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Water quality
EU classification: excellentMeasurement series & statistics
This measurement series includes 480 data points since August 17, 2026.
Lowest recorded value: 16.9 °C on October 15, 2026 · highest value: 25.9 °C on August 17, 2026.
In October, temperatures have ranged between 16.9 °C and 19.1 °C.
The current value is 1.0 °C below the October average of this series.
Nearby waters
More measuring points: Lake Geneva
Frequently asked questions
Can you swim at Lake Geneva right now?
The current water temperature is 17.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Geneva?
Currently 17.0 °C (updated continuously).
How warm is at Lake Geneva in October?
In October, the water temperature recently averaged 18.0 °C.
When is the water warmest at Lake Geneva?
Across the measurement record, August is on average the warmest month (22.5 °C).
How is the water quality at Lake Geneva?
The official classification is: excellent.
