Lake Constance water temperature
Lake Constance, Seebad Bregenz · Lido
The current water temperature at Lake Constance is 22.0 °C (as of September 10, 2026, source: official monitoring networks).
Pools and lidos follow their own rules — heated, spring-fed or sun-dependent. Here the operator's on-site report is what counts.
Water quality
EU classification: excellentMeasurement series & statistics
This measurement series includes 486 data points since July 12, 2026.
Lowest recorded value: 21.5 °C on September 9, 2026 · highest value: 28.5 °C on August 5, 2026.
In September, temperatures have ranged between 21.5 °C and 24.5 °C.
The current value is 1.1 °C below the September average of this series.
Nearby waters
More measuring points: Lake Constance
Frequently asked questions
Can you swim at Lake Constance right now?
The current water temperature is 22.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Constance?
Currently 22.0 °C (updated continuously).
How warm is at Lake Constance in September?
In September, the water temperature recently averaged 23.1 °C.
When is the water warmest at Lake Constance?
Across the measurement record, August is on average the warmest month (25.0 °C).
How is the water quality at Lake Constance?
The official classification is: excellent.
