Grønengstølsvatn · Lake
The current water temperature at Grønengstølsvatn is 7.2 °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 726 data points since July 22, 2026.
Lowest recorded value: 7.1 °C on August 10, 2026 · highest value: 13.6 °C on July 22, 2026.
In September, temperatures have ranged between 7.2 °C and 9.6 °C.
The current value is 1.1 °C below the September average of this series.
Can you swim at Grønengstølsvatn right now?
The current water temperature is 7.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Grønengstølsvatn?
Currently 7.2 °C (updated continuously).
How warm is at Grønengstølsvatn in September?
In September, the water temperature recently averaged 8.3 °C.
When is the water warmest at Grønengstølsvatn?
Across the measurement record, July is on average the warmest month (9.2 °C).