Jez. Gardno, Gardna wielka · Lake
The current water temperature at Jez. Gardno is 15.8 °C (as of September 19, 2026, source: IMGW).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
This measurement series includes 47 data points since July 27, 2026.
Lowest recorded value: 15.8 °C on September 19, 2026 · highest value: 21.4 °C on August 6, 2026.
In September, temperatures have ranged between 15.8 °C and 19.0 °C.
The current value is 1.4 °C below the September average of this series.
Can you swim at Jez. Gardno right now?
The current water temperature is 15.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Jez. Gardno?
Currently 15.8 °C (updated continuously).
How warm is at Jez. Gardno in September?
In September, the water temperature recently averaged 17.2 °C.
When is the water warmest at Jez. Gardno?
Across the measurement record, July is on average the warmest month (19.5 °C).