Sandvenvatn · Lake
The current water temperature at Sandvenvatn is 11.5 °C (as of September 1, 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 1107 data points since July 3, 2026.
Lowest recorded value: 9.5 °C on July 4, 2026 · highest value: 20.1 °C on July 17, 2026.
In September, temperatures have ranged between 11.4 °C and 11.9 °C.
The current value is 0.1 °C below the September average of this series.
Can you swim at Sandvenvatn right now?
The current water temperature is 11.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Sandvenvatn?
Currently 11.5 °C (updated continuously).
How warm is at Sandvenvatn in September?
In September, the water temperature recently averaged 11.6 °C.
When is the water warmest at Sandvenvatn?
Across the measurement record, July is on average the warmest month (13.6 °C).