Donau, Grein · River
The current water temperature at Donau is 22.8 °C (as of July 17, 2026, source: Landeshydrographie AT).
Can you swim at Donau right now?
The current water temperature is 22.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Donau?
Currently 22.8 °C (updated continuously).
How warm is at Donau in July?
In July, the water temperature recently averaged 21.7 °C.