Ruhr, Olsberg · River
The current water temperature at Ruhr is 20.6 °C (as of July 17, 2026, source: LANUV NRW).
Can you swim at Ruhr right now?
The current water temperature is 20.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Ruhr?
Currently 20.6 °C (updated continuously).
How warm is at Ruhr in July?
In July, the water temperature recently averaged 19.8 °C.