Rotterdamsehoek IJsselmeer water temperature
Rotterdamsehoek IJsselmeer, Niederlande · Lake
The current water temperature at Rotterdamsehoek IJsselmeer is 18.1 °C (as of September 5, 2026, source: Rijkswaterstaat).
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 690 data points since July 16, 2026.
Lowest recorded value: 18.1 °C on September 5, 2026 · highest value: 23.8 °C on August 4, 2026.
In September, temperatures have ranged between 18.1 °C and 19.0 °C.
The current value is 0.6 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Rotterdamsehoek IJsselmeer right now?
The current water temperature is 18.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rotterdamsehoek IJsselmeer?
Currently 18.1 °C (updated continuously).
How warm is at Rotterdamsehoek IJsselmeer in September?
In September, the water temperature recently averaged 18.7 °C.
When is the water warmest at Rotterdamsehoek IJsselmeer?
Across the measurement record, August is on average the warmest month (20.7 °C).
