Sønnlandsvatn · Lake
The current water temperature at Sønnlandsvatn is 7.6 °C (as of October 16, 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 194 data points since August 17, 2026.
Lowest recorded value: 0.0 °C on August 17, 2026 · highest value: 8.2 °C on October 14, 2026.
In October, temperatures have ranged between 7.4 °C and 8.2 °C.
The current value is 0.1 °C below the October average of this series.
Can you swim at Sønnlandsvatn right now?
The current water temperature is 7.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Sønnlandsvatn?
Currently 7.6 °C (updated continuously).
How warm is at Sønnlandsvatn in October?
In October, the water temperature recently averaged 7.7 °C.
When is the water warmest at Sønnlandsvatn?
Across the measurement record, October is on average the warmest month (7.7 °C).