Tuusulanjärvi, Tuusula · Lake
The current water temperature at Tuusulanjärvi is 14.2 °C (as of September 19, 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 45 data points since July 23, 2026.
Lowest recorded value: 14.2 °C on September 19, 2026 · highest value: 21.0 °C on July 26, 2026.
In September, temperatures have ranged between 14.2 °C and 17.7 °C.
The current value is 1.5 °C below the September average of this series.
Can you swim at Tuusulanjärvi right now?
The current water temperature is 14.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Tuusulanjärvi?
Currently 14.2 °C (updated continuously).
How warm is at Tuusulanjärvi in September?
In September, the water temperature recently averaged 15.7 °C.