Donau water temperature

Donau, Kelheim · River

The current water temperature at Donau is 20.9 °C (as of September 1, 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.

20.9 °C

Measured: September 1, 2026 · continuously updated

💧 Water 20.9° · ☀️ Air 15.2° · high today 21.8°

Temperature trend of recent weeks

Donau — Photo: Maarten Sepp · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 892 data points since July 3, 2026.

Lowest recorded value: 0.3 °C on July 13, 2026 · highest value: 27.2 °C on August 5, 2026.

Nearby waters

Abens, Aunkofen · 11.4 km away18.9 °C Donau, Oberndorf · 11.5 km away23.2 °C Donau, Oberndorf · 11.5 km away23.2 °C Donau, Neustadt · 13.9 km away20.9 °C Donau, Schillerwiese, Regensburg · 19.3 km away22.0 °C

More measuring points: Donau

Oberndorf23.2 °C Oberndorf23.2 °C Passau-Donau23.0 °C Passau Donau23.0 °C Vilshofen23.0 °C Vilshofen23.0 °C

Frequently asked questions

Can you swim at Donau right now?
The current water temperature is 20.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Donau?
Currently 20.9 °C (updated continuously).

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