Hammen, oost · River
The current water temperature at Hammen is 21.0 °C (as of August 24, 2026, source: Rijkswaterstaat).
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.
Can you swim at Hammen right now?
The current water temperature is 21.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Hammen?
Currently 21.0 °C (updated continuously).