Isar water temperature
Isar, Landshut-Birket · River
The current water temperature at Isar is 17.1 °C (as of September 20, 2026, source: GKD Bayern).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 949 data points since July 22, 2026.
Lowest recorded value: 16.7 °C on September 12, 2026 · highest value: 26.0 °C on August 5, 2026.
In September, temperatures have ranged between 16.7 °C and 21.7 °C.
The current value is 1.8 °C below the September average of this series.
Nearby waters
More measuring points: Isar
Frequently asked questions
Can you swim at Isar right now?
The current water temperature is 17.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Isar?
Currently 17.1 °C (updated continuously).
How warm is at Isar in September?
In September, the water temperature recently averaged 18.9 °C.
When is the water warmest at Isar?
Across the measurement record, August is on average the warmest month (21.1 °C).
