Rhein water temperature
Rhein, Mainz-Wiesbaden · River
The current water temperature at Rhein is 25.5 °C (as of August 7, 2026, source: LfU Rheinland-Pfalz (GUS)).
25.5 °C
Frequently asked questions
Can you swim at Rhein right now?
The current water temperature is 25.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rhein?
Currently 25.5 °C (updated continuously).
How warm is at Rhein in August?
In August, the water temperature recently averaged 26.6 °C.
