Isoa water temperature
Isoa, Tverråa · River
The current water temperature at Isoa is 12.5 °C (as of September 20, 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.
Measurement series & statistics
This measurement series includes 671 data points since July 22, 2026.
Lowest recorded value: 10.7 °C on September 6, 2026 · highest value: 19.8 °C on July 29, 2026.
In September, temperatures have ranged between 10.7 °C and 15.2 °C.
The current value is 0.3 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Isoa right now?
The current water temperature is 12.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Isoa?
Currently 12.5 °C (updated continuously).
How warm is at Isoa in September?
In September, the water temperature recently averaged 12.8 °C.
When is the water warmest at Isoa?
Across the measurement record, July is on average the warmest month (16.6 °C).
