Hallingdalselva water temperature
Hallingdalselva, Nesbyen · River
The current water temperature at Hallingdalselva is 6.0 °C (as of October 16, 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 387 data points since August 17, 2026.
Lowest recorded value: 5.4 °C on October 15, 2026 · highest value: 16.6 °C on August 26, 2026.
In October, temperatures have ranged between 5.4 °C and 9.3 °C.
The current value is 1.5 °C below the October average of this series.
Nearby waters
Frequently asked questions
Can you swim at Hallingdalselva right now?
The current water temperature is 6.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Hallingdalselva?
Currently 6.0 °C (updated continuously).
How warm is at Hallingdalselva in October?
In October, the water temperature recently averaged 7.5 °C.
When is the water warmest at Hallingdalselva?
Across the measurement record, August is on average the warmest month (14.1 °C).
