Attersee, Unterach water temperature

Attersee, Unterach, Unterach am Attersee · Lake

The current water temperature at Attersee is 22.0 °C (as of September 1, 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.

22.0 °C

Measured: September 1, 2026 · continuously updated

💧 Water 22.0° · ☀️ Air 12.5° · high today 20.4°

Temperature trend of recent weeks

Attersee, Unterach — Photo: Herbert wie · CC BY-SA 4.0 · Wikimedia Commons

Water quality

EU classification: excellent · Visibility depth: 5.0 m

Measurement series & statistics

This measurement series includes 954 data points since July 3, 2026.

Lowest recorded value: 18.8 °C on July 7, 2026 · highest value: 26.4 °C on August 4, 2026.

Nearby waters

Seeache, See am Mondsee (Au) · 2.5 km away21.9 °C Attersee, Weißenbach, Steinbach am Attersee · 3.3 km away21.6 °C Äußerer Weißenbach, Weißenbach am Attersee · 4.0 km away8.9 °C Attersee, Weißenbach am Attersee · 4.6 km away21.6 °C Attersee, Steinbach, Steinbach am Attersee · 5.8 km away21.6 °C

Frequently asked questions

Can you swim at Attersee right now?
The current water temperature is 22.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Attersee?
Currently 22.0 °C (updated continuously).

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

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