Lake Lucerne, Strandbad Gersau · Lido
The current water temperature at Lake Lucerne is 23.0 °C (as of July 17, 2026, source: official monitoring networks).
Can you swim at Lake Lucerne right now?
The current water temperature is 23.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Lucerne?
Currently 23.0 °C (updated continuously).
How warm is at Lake Lucerne in July?
In July, the water temperature recently averaged 24.1 °C.