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Rotter-See water temperature

Rotter-See, Rotter-See – Troisdorf · Lake

The current water temperature at Rotter-See is 24.2 °C (as of August 3, 2026, source: Badegewässer NRW (LANUK)).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

24.2 °C
Measured: August 3, 2026 · continuously updated
💧 Water 24.2° · ☀️ Air 21.5° · high today 23.0°

Water quality

EU classification: good · Visibility depth: 2.0 m

Nearby waters

Agger, Lohmar · 7.3 km away15.5 °CSülz, Hoffnungsthal · 12.6 km away14.9 °CRather See, Rather See – Badesee · 13.5 km away21.4 °CVingster Baggersee, Vingster Baggersee – Begrenzungspfosten · 14.2 km away22.4 °CHanfbach, Geisbach · 14.2 km away13.7 °C

Frequently asked questions

Can you swim at Rotter-See right now?
The current water temperature is 24.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Rotter-See?
Currently 24.2 °C (updated continuously).

How is the water quality at Rotter-See?
The official classification is: good.

Open in the BrrChecker app

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