Jez. Sławskie water temperature
Jez. Sławskie, Radzyń · Lake
The current water temperature at Jez. Sławskie is 19.7 °C (as of September 10, 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.
Measurement series & statistics
This measurement series includes 46 data points since July 27, 2026.
Lowest recorded value: 18.8 °C on September 8, 2026 · highest value: 25.5 °C on August 6, 2026.
In September, temperatures have ranged between 18.8 °C and 20.3 °C.
The current value is 0.2 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Jez. Sławskie right now?
The current water temperature is 19.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Jez. Sławskie?
Currently 19.7 °C (updated continuously).
How warm is at Jez. Sławskie in September?
In September, the water temperature recently averaged 19.9 °C.
When is the water warmest at Jez. Sławskie?
Across the measurement record, August is on average the warmest month (22.2 °C).
