Hølervatn · Lake
The current water temperature at Hølervatn is 9.1 °C (as of September 20, 2026, source: official monitoring networks).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
This measurement series includes 727 data points since July 22, 2026.
Lowest recorded value: 9.1 °C on September 20, 2026 · highest value: 17.2 °C on July 22, 2026.
In September, temperatures have ranged between 9.1 °C and 15.4 °C.
The current value is 3.5 °C below the September average of this series.
Can you swim at Hølervatn right now?
The current water temperature is 9.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Hølervatn?
Currently 9.1 °C (updated continuously).
How warm is at Hølervatn in September?
In September, the water temperature recently averaged 12.6 °C.
When is the water warmest at Hølervatn?
Across the measurement record, July is on average the warmest month (13.9 °C).