Gisna, Gisnås · River
The current water temperature at Gisna is 8.8 °C (as of September 1, 2026, source: official monitoring networks).
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.
This measurement series includes 1115 data points since July 3, 2026.
Lowest recorded value: 8.8 °C on July 8, 2026 · highest value: 19.2 °C on July 16, 2026.
In September, temperatures have ranged between 8.8 °C and 10.3 °C.
The current value is 0.7 °C below the September average of this series.
Can you swim at Gisna right now?
The current water temperature is 8.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Gisna?
Currently 8.8 °C (updated continuously).
How warm is at Gisna in September?
In September, the water temperature recently averaged 9.5 °C.
When is the water warmest at Gisna?
Across the measurement record, July is on average the warmest month (13.3 °C).