Liarvatn · Lake
The current water temperature at Liarvatn is 13.8 °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 1118 data points since July 3, 2026.
Lowest recorded value: 13.3 °C on August 12, 2026 · highest value: 22.6 °C on July 16, 2026.
In September, temperatures have ranged between 13.8 °C and 14.1 °C.
The current value is 0.1 °C below the September average of this series.
Can you swim at Liarvatn right now?
The current water temperature is 13.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Liarvatn?
Currently 13.8 °C (updated continuously).
How warm is at Liarvatn in September?
In September, the water temperature recently averaged 13.9 °C.
When is the water warmest at Liarvatn?
Across the measurement record, July is on average the warmest month (17.4 °C).