Ammersee water temperature
Ammersee, Stegen · Lake
The current water temperature at Ammersee is 16.5 °C (as of October 16, 2026, source: GKD Bayern).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Water quality
EU classification: goodMeasurement series & statistics
This measurement series includes 473 data points since August 17, 2026.
Lowest recorded value: 15.0 °C on October 11, 2026 · highest value: 24.7 °C on August 19, 2026.
In October, temperatures have ranged between 15.0 °C and 19.1 °C.
The current value is 0.7 °C below the October average of this series.
Nearby waters
More measuring points: Ammersee
Frequently asked questions
Can you swim at Ammersee right now?
The current water temperature is 16.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Ammersee?
Currently 16.5 °C (updated continuously).
How warm is at Ammersee in October?
In October, the water temperature recently averaged 17.2 °C.
When is the water warmest at Ammersee?
Across the measurement record, August is on average the warmest month (22.0 °C).
How is the water quality at Ammersee?
The official classification is: good.
