Agger, Lohmar · River
The current water temperature at Agger is 21.1 °C (as of July 17, 2026, source: LANUV NRW).
Can you swim at Agger right now?
The current water temperature is 21.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Agger?
Currently 21.1 °C (updated continuously).
How warm is at Agger in July?
In July, the water temperature recently averaged 21.0 °C.