Sulmsee, Tillmitsch water temperature

Sulmsee, Tillmitsch, Leibnitz · Lake

The current water temperature at Sulmsee is 23.3 °C (as of August 19, 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.

23.3 °C

Measured: August 19, 2026 · continuously updated

💧 Water 23.3° · ☀️ Air 17.1° · high today 26.2°

Temperature trend of recent weeks

Water quality

EU classification: excellent · Visibility depth: 0.2 m

Nearby waters

Silbersee, Gralla, Leibnitz · 0.2 km away25.7 °C Badesee Wildon, Wildon, Wildon · 12.7 km away24.3 °C Röcksee, Gosdorf, Mureck · 22.7 km away25.8 °C Freizeitzentrum Copacabana, Kalsdorf, Kalsdorf bei Graz · 23.0 km away24.7 °C Pesnica, Ranca · 23.3 km away19.9 °C

Frequently asked questions

Can you swim at Sulmsee right now?
The current water temperature is 23.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Sulmsee?
Currently 23.3 °C (updated continuously).

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

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