Lake Constance water temperature
Lake Constance, Bregenz (Bodensee) · Lake
The current water temperature at Lake Constance is 17.7 °C (as of October 12, 2026, source: Abteilung Wasserwirtschaft Vorarlberg).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 59 data points since August 15, 2026.
Lowest recorded value: 17.7 °C on October 12, 2026 · highest value: 26.3 °C on August 15, 2026.
In October, temperatures have ranged between 17.7 °C and 20.2 °C.
The current value is 1.6 °C below the October 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 17.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Constance?
Currently 17.7 °C (updated continuously).
How warm is at Lake Constance in October?
In October, the water temperature recently averaged 19.3 °C.
When is the water warmest at Lake Constance?
Across the measurement record, August is on average the warmest month (24.0 °C).
