Altausseersee Süd water temperature

Altausseersee Süd, Altaussee · Lake

The current water temperature at Altausseersee Süd is 21.9 °C (as of August 20, 2026, source: AGES).

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

21.9 °C

Measured: August 20, 2026 · continuously updated

💧 Water 21.9° · ☀️ Air 12.5° · high today 19.3°

Temperature trend of recent weeks

Altausseersee Süd — Photo: Dromedar61 · CC BY-SA 3.0 · Wikimedia Commons

Water quality

EU classification: excellent · Visibility depth: 2.0 m

Nearby waters

Altausseersee West, Altaussee · 0.7 km away22.3 °C Altausseersee Nord, Altaussee · 0.9 km away23.2 °C Grundlsee Nord-West, Grundlsee · 4.1 km away23.4 °C Grundlsee Süd, Grundlsee · 4.7 km away23.0 °C Grundlsee Nord, Grundlsee · 7.9 km away23.1 °C

Frequently asked questions

Can you swim at Altausseersee Süd right now?
The current water temperature is 21.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Altausseersee Süd?
Currently 21.9 °C (updated continuously).

How is the water quality at Altausseersee Süd?
The official classification is: excellent.

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