Aare water temperature
Aare, Klingnau · River
The current water temperature at Aare is 21.6 °C (as of September 20, 2026, source: BAFU).
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.
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Measurement series & statistics
This measurement series includes 1340 data points since July 22, 2026.
Lowest recorded value: 21.4 °C on September 19, 2026 · highest value: 26.1 °C on August 4, 2026.
In September, temperatures have ranged between 21.4 °C and 24.7 °C.
The current value is 1.5 °C below the September average of this series.
Nearby waters
More measuring points: Aare
Frequently asked questions
Can you swim at Aare right now?
The current water temperature is 21.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Aare?
Currently 21.6 °C (updated continuously).
How warm is at Aare in September?
In September, the water temperature recently averaged 23.1 °C.
When is the water warmest at Aare?
Across the measurement record, July is on average the warmest month (24.2 °C).
