Oulujärvi water temperature
Oulujärvi, Manamansalo · Lake
The current water temperature at Oulujärvi is 12.7 °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.
Measurement series & statistics
This measurement series includes 59 data points since July 23, 2026.
Lowest recorded value: 12.2 °C on September 15, 2026 · highest value: 19.8 °C on August 2, 2026.
In September, temperatures have ranged between 12.2 °C and 16.0 °C.
The current value is 1.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Oulujärvi right now?
The current water temperature is 12.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Oulujärvi?
Currently 12.7 °C (updated continuously).
How warm is at Oulujärvi in September?
In September, the water temperature recently averaged 13.8 °C.
When is the water warmest at Oulujärvi?
Across the measurement record, July is on average the warmest month (17.8 °C).
