Ljubljanica water temperature
Ljubljanica, Vrhnika · River
The current water temperature at Ljubljanica is 11.1 °C (as of September 20, 2026, source: ARSO).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 415 data points since July 22, 2026.
Lowest recorded value: 10.6 °C on August 23, 2026 · highest value: 14.7 °C on August 21, 2026.
In September, temperatures have ranged between 11.0 °C and 13.2 °C.
The current value is 1.3 °C below the September average of this series.
Nearby waters
More measuring points: Ljubljanica
Frequently asked questions
Can you swim at Ljubljanica right now?
The current water temperature is 11.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Ljubljanica?
Currently 11.1 °C (updated continuously).
How warm is at Ljubljanica in September?
In September, the water temperature recently averaged 12.4 °C.
When is the water warmest at Ljubljanica?
Across the measurement record, July is on average the warmest month (13.0 °C).
