The current water temperature at Kellersee is 18.0 °C (as of July 7, 2026, source: Badegewässer Schleswig-Holstein (Open Data SH)).
18.0 °C
Measured: July 7, 2026 · continuously updated
Temperature trend of recent weeks
Water quality
EU classification: excellent · Visibility depth: 1.0 m
Frequently asked questions
Can you swim at Kellersee right now? The current water temperature is 18.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Kellersee? Currently 18.0 °C (updated continuously).